Dyche is a surname. Notable people with the surname include:
Lewis Lindsay Dyche (1857–1915), American naturalist Max Dyche (born 2003), English footballer Mick Dyche (1951–2018), English guitarist Schubert R. Dyche (1893–1982), American football and basketball coach Sean Dyche (born 1971), English footballer and manager Thomas Dyche (died 1733), English lexicographer