The Icon Font Designed for Bootstrap: Font Awesome
250+ Carefully Crafted Pictograms: The Entypo Pictogram Suite
74 Social Media Icons Font Pack: Socialico
Elusive Icons Webfont
Foundation Icon Fonts 2
300+ Font Icons for Web and User Interface Design: Batch
Open Source Icon Set: Iconic
Set of Free Weather Icons (PSD, CSH, EPS, SVG, Desktop Font and Web Font): Meteocons
Raphaël Scalable Icons Set via @font-face
A Free Icon Web Font: Heydings Icons
Free Icon Font: Signify Lite
Free Font Face Icon Font: PulsarJS
Free Font for Social Sites Logos (Facebook, Twitter, etc.)
JustVector Social Icons Font
Free Web Symbols Font
Custom Built and Crisp Icon Fonts: IcoMoon
Free-to-use Vector Icons Embedded in a WebFont: Typicons
Tiny State Shapes Web Font: StateFace
GeoBats
Free Dingbats Font: Erler Dingbats
Icon Font Including 160+ Icons: Sosa
Dot Com Font
Free Social Icon Font: Rondo
OpenWeb Icons
Web Icon Font with Logos of Social Services & Messagers: Brandico Font
