Stachowicz is a Polish surname. The Russian and Belarusian language version is Stakhovich, Ukrainian: Stakhovych

Stachowicz is believed to generally mean family, son, or of bearing to Stanisław/ Stanislav. As the diminutive Stach was commonly used to shorten Stanisław/ Stanislav. The ending -wicz usually implies son of, or clan of.

Notable people with the surname include:

Stachowicz Damian Stachowicz (1658–1699), Polish composer Mary Stachowicz (1951–2002), American murder victim Michał Stachowicz (1768–1825), Polish painter and graphic artist Ray Stachowicz (born 1959), American football player

Stakhovich Alexey Stakhovich, high-ranking Imperial Russian Chevalier Guard Regiment officer Mikhail Aleksandrovich Stakhovich, Russian politician