Fytche is an ancient surname derived from Fitch. Notable people with the surname include:
- Albert Fytche Chief Commissioner of Burma
- Elizabeth Fytche (1781–1865), mother of Alfred Tennyson, 1st Baron Tennyson
- Frances Elizabeth Disney Ffytche (or Fytche), Essex-born heiress, wife of William Hillary
- Stephen Fytche (1734–1799), vicar of Louth (1764) and rector of Withcall (1780), grandfather of Alfred Tennyson, 1st Baron Tennyson
- William Fytche, 1752 Governor of Bengal
- William Fytche Member of Parliament from Maldon
- stagename of Tammy Lynn Sytch
Read more about Fytche: Baronetcy in The Baronetage of England, Other