F'

F' (F + apostrophe) may stand in for:
 * Fʼ (F + modifier apostrophe), which represents:
 * the labiodental ejective fricative, in the International Phonetic Alphabet
 * palatalised f, in Slavic notation
 * F′ (F + prime), often used in mathematical notation for the first derivative of a function
 * F̀ (F + grave accent), used for transliterating the Cyrillic letter Fita
 * Fʻ (F + ʻokina)
 * Fʾ (F + right half ring)
 * Fʿ (F + left half ring)