Sitgreaves is a surname. Notable people with the surname include:
Beverley Sitgreaves (1867–1943), American actress John Sitgreaves (1757–1802), American politician and judge Lorenzo Sitgreaves, the leader of the Sitgreaves Expedition and namesake of Sitgreaves Pass Rosedith Sitgreaves (1915–1992), American statistician Samuel Sitgreaves (1764–1827), US Representative from Pennsylvania
See also Apache-Sitgreaves National Forest in Arizona and New Mexico Sitgreaves Expedition, an exploration of three rivers in the US Southwest in 1851 Sitgreaves House, a historic home in South Carolina, built in 1907. Sitgreaves Pass in the Black Mountains of Arizona