Fon may refer to: Terms Fon (title), a traditional title for a ruler in Cameroon Fiber-optic network Freedom of navigation The chemistry mnemonic "FON", used for determining which elements hydrogen forms hydrogen bonds with. Fon language, spoken by the Fon people Funding Opportunity Number, assigned by United States federal agencies to available grants Organizations Fon (company), a Wi-Fi provider Federation of Ontario Naturalists, now Ontario Nature, a Canadian environmental organization FON University, university in Macedonia University of Belgrade Faculty of Organizational Sciences, faculty in Serbia Fundusz Obrony Narodowej, or Fund for National Defense, a collection attempt in Poland prior to World War II Sprint Corporation People Fon people, a major West African ethnic and linguistic group Bryn Fôn (born 1954), Welsh actor and musician Other Fish On Next, a video game Fon Fjord in Greenland See also Fun (disambiguation) Fawn (disambiguation) Faun (disambiguation) Phon (disambiguation) Language and nationality disambiguation pages