Hostetler is a surname of German origin. The name refers to:
Abraham J. Hostetler (1818–1899), American politician from Indiana; U.S. representative 1879–81Chuck Hostetler (1903–1971), American professional baseball playerDave Hostetler (b. 1956), American professional baseball playerDavid Hostetler (b. 1926), American sculptorJeff Hostetler (b. 1961), American professional football playerJohn A. Hostetler (1918–2001), American scholar of the Amish and Hutterite SocietiesJohn L. Hostetler (b. 1967), American Scientist with a Feynman Number of 2