fontawesome所有图标class类名单，适用于4.7.0版本。
总计有593个图标class类（包含别名）：

fa-500px

fa-address-book

fa-address-book-o

fa-address-card

fa-address-card-o

fa-adjust

fa-adn

fa-align-center

fa-align-justify

fa-align-left

fa-align-right

fa-amazon

fa-ambulance

fa-american-sign-language-interpreting

fa-anchor

fa-android

fa-angellist

fa-angle-double-down

fa-angle-double-left

fa-angle-double-right

fa-angle-double-up

fa-angle-down

fa-angle-left

fa-angle-right

fa-angle-up

fa-apple

fa-archive

fa-area-chart

fa-arrow-circle-down

fa-arrow-circle-left

fa-arrow-circle-o-down

fa-arrow-circle-o-left

fa-arrow-circle-o-right

fa-arrow-circle-o-up

fa-arrow-circle-right

fa-arrow-circle-up

fa-arrow-down

fa-arrow-left

fa-arrow-right

fa-arrow-up

fa-arrows

fa-arrows-alt

fa-arrows-h

fa-arrows-v

fa-asl-interpreting

fa-assistive-listening-systems

fa-asterisk

fa-at

fa-audio-description

fa-automobile

fa-backward

fa-balance-scale

fa-ban

fa-bandcamp

fa-bank

fa-bar-chart

fa-bar-chart-o

fa-barcode

fa-bars

fa-bath

fa-bathtub

fa-battery

fa-battery-0

fa-battery-1

fa-battery-2

fa-battery-3

fa-battery-4

fa-battery-empty

fa-battery-full

fa-battery-half

fa-battery-quarter

fa-battery-three-quarters

fa-bed

fa-beer

fa-behance

fa-behance-square

fa-bell

fa-bell-o

fa-bell-slash

fa-bell-slash-o

fa-bicycle

fa-binoculars

fa-birthday-cake

fa-bitbucket

fa-bitbucket-square

fa-bitcoin

fa-black-tie

fa-blind

fa-bluetooth

fa-bluetooth-b

fa-bold

fa-bolt

fa-bomb

fa-book

fa-bookmark

fa-bookmark-o

fa-braille

fa-briefcase

fa-btc

fa-bug

fa-building

fa-building-o

fa-bullhorn

fa-bullseye

fa-bus

fa-buysellads

fa-cab

fa-calculator

fa-calendar

fa-calendar-check-o

fa-calendar-minus-o

fa-calendar-o

fa-calendar-plus-o

fa-calendar-times-o

fa-camera

fa-camera-retro

fa-car

fa-caret-down

fa-caret-left

fa-caret-right

fa-caret-square-o-down

fa-caret-square-o-left

fa-caret-square-o-right

fa-caret-square-o-up

fa-caret-up

fa-cart-arrow-down

fa-cart-plus

fa-cc

fa-cc-amex

fa-cc-diners-club

fa-cc-discover

fa-cc-jcb

fa-cc-mastercard

fa-cc-paypal

fa-cc-stripe

fa-cc-visa

fa-certificate

fa-chain

fa-chain-broken

fa-check

fa-check-circle

fa-check-circle-o

fa-check-square

fa-check-square-o

fa-chevron-circle-down

fa-chevron-circle-left

fa-chevron-circle-right

fa-chevron-circle-up

fa-chevron-down

fa-chevron-left

fa-chevron-right

fa-chevron-up

fa-child

fa-chrome

fa-circle

fa-circle-o

fa-circle-o-notch

fa-circle-thin

fa-clipboard

fa-clock-o

fa-clone

fa-close

fa-cloud

fa-cloud-download

fa-cloud-upload

fa-cny

fa-code

fa-code-fork

fa-codepen

fa-codiepie

fa-coffee

fa-cog

fa-cogs

fa-columns

fa-comment

fa-comment-o

fa-commenting

fa-commenting-o

fa-comments

fa-comments-o

fa-compass

fa-compress

fa-connectdevelop

fa-contao

fa-copy

fa-copyright

fa-creative-commons

fa-credit-card

fa-credit-card-alt

fa-crop

fa-crosshairs

fa-css3

fa-cube

fa-cubes

fa-cut

fa-cutlery

fa-dashboard

fa-dashcube

fa-database

fa-deaf

fa-deafness

fa-dedent

fa-delicious

fa-desktop

fa-deviantart

fa-diamond

fa-digg

fa-dollar

fa-dot-circle-o

fa-download

fa-dribbble

fa-drivers-license

fa-drivers-license-o

fa-dropbox

fa-drupal

fa-edge

fa-edit

fa-eercast

fa-eject

fa-ellipsis-h

fa-ellipsis-v

fa-empire

fa-envelope

fa-envelope-o

fa-envelope-open

fa-envelope-open-o

fa-envelope-square

fa-envira

fa-eraser

fa-etsy

fa-eur

fa-euro

fa-exchange

fa-exclamation

fa-exclamation-circle

fa-exclamation-triangle

fa-expand

fa-expeditedssl

fa-external-link

fa-external-link-square

fa-eye

fa-eye-slash

fa-eyedropper

fa-fa

fa-facebook

fa-facebook-f

fa-facebook-official

fa-facebook-square

fa-fast-backward

fa-fast-forward

fa-fax

fa-feed

fa-female

fa-fighter-jet

fa-file

fa-file-archive-o

fa-file-audio-o

fa-file-code-o

fa-file-excel-o

fa-file-image-o

fa-file-movie-o

fa-file-o

fa-file-pdf-o

fa-file-photo-o

fa-file-picture-o

fa-file-powerpoint-o

fa-file-sound-o

fa-file-text

fa-file-text-o

fa-file-video-o

fa-file-word-o

fa-file-zip-o

fa-files-o

fa-film

fa-filter

fa-fire

fa-fire-extinguisher

fa-firefox

fa-first-order

fa-flag

fa-flag-checkered

fa-flag-o

fa-flash

fa-flask

fa-flickr

fa-floppy-o

fa-folder

fa-folder-o

fa-folder-open

fa-folder-open-o

fa-font

fa-font-awesome

fa-fonticons

fa-fort-awesome

fa-forumbee

fa-forward

fa-foursquare

fa-free-code-camp

fa-frown-o

fa-futbol-o

fa-gamepad

fa-gavel

fa-gbp

fa-ge

fa-gear

fa-gears

fa-genderless

fa-get-pocket

fa-gg

fa-gg-circle

fa-gift

fa-git

fa-git-square

fa-github

fa-github-alt

fa-github-square

fa-gitlab

fa-gittip

fa-glass

fa-glide

fa-glide-g

fa-globe

fa-google

fa-google-plus

fa-google-plus-circle

fa-google-plus-official

fa-google-plus-square

fa-google-wallet

fa-graduation-cap

fa-gratipay

fa-grav

fa-group

fa-h-square

fa-hacker-news

fa-hand-grab-o

fa-hand-lizard-o

fa-hand-o-down

fa-hand-o-left

fa-hand-o-right

fa-hand-o-up

fa-hand-paper-o

fa-hand-peace-o

fa-hand-pointer-o

fa-hand-rock-o

fa-hand-scissors-o

fa-hand-spock-o

fa-hand-stop-o

fa-handshake-o

fa-hard-of-hearing

fa-hashtag

fa-hdd-o

fa-header

fa-headphones

fa-heart

fa-heart-o

fa-heartbeat

fa-history

fa-home

fa-hospital-o

fa-hotel

fa-hourglass

fa-hourglass-1

fa-hourglass-2

fa-hourglass-3

fa-hourglass-end

fa-hourglass-half

fa-hourglass-o

fa-hourglass-start

fa-houzz

fa-html5

fa-i-cursor

fa-id-badge

fa-id-card

fa-id-card-o

fa-ils

fa-image

fa-imdb

fa-inbox

fa-indent

fa-industry

fa-info

fa-info-circle

fa-inr

fa-instagram

fa-institution

fa-internet-explorer

fa-intersex

fa-ioxhost

fa-italic

fa-joomla

fa-jpy

fa-jsfiddle

fa-key

fa-keyboard-o

fa-krw

fa-language

fa-laptop

fa-lastfm

fa-lastfm-square

fa-leaf

fa-leanpub

fa-legal

fa-lemon-o

fa-level-down

fa-level-up

fa-life-bouy

fa-life-buoy

fa-life-ring

fa-life-saver

fa-lightbulb-o

fa-line-chart

fa-link

fa-linkedin

fa-linkedin-square

fa-linode

fa-linux

fa-list

fa-list-alt

fa-list-ol

fa-list-ul

fa-location-arrow

fa-lock

fa-long-arrow-down

fa-long-arrow-left

fa-long-arrow-right

fa-long-arrow-up

fa-low-vision

fa-magic

fa-magnet

fa-mail-forward

fa-mail-reply

fa-mail-reply-all

fa-male

fa-map

fa-map-marker

fa-map-o

fa-map-pin

fa-map-signs

fa-mars

fa-mars-double

fa-mars-stroke

fa-mars-stroke-h

fa-mars-stroke-v

fa-maxcdn

fa-meanpath

fa-medium

fa-medkit

fa-meetup

fa-meh-o

fa-mercury

fa-microchip

fa-microphone

fa-microphone-slash

fa-minus

fa-minus-circle

fa-minus-square

fa-minus-square-o

fa-mixcloud

fa-mobile

fa-mobile-phone

fa-modx

fa-money

fa-moon-o

fa-mortar-board

fa-motorcycle

fa-mouse-pointer

fa-music

fa-navicon

fa-neuter

fa-newspaper-o

fa-object-group

fa-object-ungroup

fa-odnoklassniki

fa-odnoklassniki-square

fa-opencart

fa-openid

fa-opera

fa-optin-monster

fa-outdent

fa-pagelines

fa-paint-brush

fa-paper-plane

fa-paper-plane-o

fa-paperclip

fa-paragraph

fa-paste

fa-pause

fa-pause-circle

fa-pause-circle-o

fa-paw

fa-paypal

fa-pencil

fa-pencil-square

fa-pencil-square-o

fa-percent

fa-phone

fa-phone-square

fa-photo

fa-picture-o

fa-pie-chart

fa-pied-piper

fa-pied-piper-alt

fa-pied-piper-pp

fa-pinterest

fa-pinterest-p

fa-pinterest-square

fa-plane

fa-play

fa-play-circle

fa-play-circle-o

fa-plug

fa-plus

fa-plus-circle

fa-plus-square

fa-plus-square-o

fa-podcast

fa-power-off

fa-print

fa-product-hunt

fa-puzzle-piece

fa-qq

fa-qrcode

fa-question

fa-question-circle

fa-question-circle-o

fa-quora

fa-quote-left

fa-quote-right

fa-ra

fa-random

fa-ravelry

fa-rebel

fa-recycle

fa-reddit

fa-reddit-alien

fa-reddit-square

fa-refresh

fa-registered

fa-remove

fa-renren

fa-reorder

fa-repeat

fa-reply

fa-reply-all

fa-resistance

fa-retweet

fa-rmb

fa-road

fa-rocket

fa-rotate-left

fa-rotate-right

fa-rouble

fa-rss

fa-rss-square

fa-rub

fa-ruble

fa-rupee

fa-s15

fa-safari

fa-save

fa-scissors

fa-scribd

fa-search

fa-search-minus

fa-search-plus

fa-sellsy

fa-send

fa-send-o

fa-server

fa-share

fa-share-alt

fa-share-alt-square

fa-share-square

fa-share-square-o

fa-shekel

fa-sheqel

fa-shield

fa-ship

fa-shirtsinbulk

fa-shopping-bag

fa-shopping-basket

fa-shopping-cart

fa-shower

fa-sign-in

fa-sign-language

fa-sign-out

fa-signal

fa-signing

fa-simplybuilt

fa-sitemap

fa-skyatlas

fa-skype

fa-slack

fa-sliders

fa-slideshare

fa-smile-o

fa-snapchat

fa-snapchat-ghost

fa-snapchat-square

fa-snowflake-o

fa-soccer-ball-o

fa-sort

fa-sort-alpha-asc

fa-sort-alpha-desc

fa-sort-amount-asc

fa-sort-amount-desc

fa-sort-asc

fa-sort-desc

fa-sort-down

fa-sort-numeric-asc

fa-sort-numeric-desc

fa-sort-up

fa-soundcloud

fa-space-shuttle

fa-spinner

fa-spoon

fa-spotify

fa-square

fa-square-o

fa-stack-exchange

fa-stack-overflow

fa-star

fa-star-half

fa-star-half-empty

fa-star-half-full

fa-star-half-o

fa-star-o

fa-steam

fa-steam-square

fa-step-backward

fa-step-forward

fa-stethoscope

fa-sticky-note

fa-sticky-note-o

fa-stop

fa-stop-circle

fa-stop-circle-o

fa-street-view

fa-strikethrough

fa-stumbleupon

fa-stumbleupon-circle

fa-subscript

fa-subway

fa-suitcase

fa-sun-o

fa-superpowers

fa-superscript

fa-support

fa-table

fa-tablet

fa-tachometer

fa-tag

fa-tags

fa-tasks

fa-taxi

fa-telegram

fa-television

fa-tencent-weibo

fa-terminal

fa-text-height

fa-text-width

fa-th

fa-th-large

fa-th-list

fa-themeisle

fa-thermometer

fa-thermometer-0

fa-thermometer-1

fa-thermometer-2

fa-thermometer-3

fa-thermometer-4

fa-thermometer-empty

fa-thermometer-full

fa-thermometer-half

fa-thermometer-quarter

fa-thermometer-three-quarters

fa-thumb-tack

fa-thumbs-down

fa-thumbs-o-down

fa-thumbs-o-up

fa-thumbs-up

fa-ticket

fa-times

fa-times-circle

fa-times-circle-o

fa-times-rectangle

fa-times-rectangle-o

fa-tint

fa-toggle-down

fa-toggle-left

fa-toggle-off

fa-toggle-on

fa-toggle-right

fa-toggle-up

fa-trademark

fa-train

fa-transgender

fa-transgender-alt

fa-trash

fa-trash-o

fa-tree

fa-trello

fa-tripadvisor

fa-trophy

fa-truck

fa-try

fa-tty

fa-tumblr

fa-tumblr-square

fa-turkish-lira

fa-tv

fa-twitch

fa-twitter

fa-twitter-square

fa-umbrella

fa-underline

fa-undo

fa-universal-access

fa-university

fa-unlink

fa-unlock

fa-unlock-alt

fa-unsorted

fa-upload

fa-usb

fa-usd

fa-user

fa-user-circle

fa-user-circle-o

fa-user-md

fa-user-o

fa-user-plus

fa-user-secret

fa-user-times

fa-users

fa-vcard

fa-vcard-o

fa-venus

fa-venus-double

fa-venus-mars

fa-viacoin

fa-viadeo

fa-viadeo-square

fa-video-camera

fa-vimeo

fa-vimeo-square

fa-vine

fa-vk

fa-volume-control-phone

fa-volume-down