Mastin may refer to:
Mastin House, historic residence in Mobile, Alabama Mastin Moor, village lying just east of Staveley in Derbyshire, United Kingdom Will Mastin Trio, dancers and singers Will Mastin, Sammy Davis Sr. and Sammy Davis Jr.
Persons with the surname Mastin Francis Mastin Wright (1810–1869), Ohio politician James Mastin (1935–2016), American artist Reece Mastin (born 1994), British-Australian singer-songwriter Thomas J. Mastin (1839–1861), Confederate captain and lawyer Turner Mastin Marquette (1831–1894), Nebraska politician Will Mastin (1878–1979), American entertainer
See also Masti (disambiguation) Mastini (disambiguation) Mastino (disambiguation)