McTavish is a surname of Scottish and Irish origin, deriving from a Gaelic form of Thomas meaning “twin”.

The surname McTavish or MacTavish is a Scottish surname, it is one Anglicised form of the Gaelic MacThàmhais,^[1] i.e. son^[2] of Thomas.^[3][4]

Thus, McTAVISH. G. Mac Tamhais. (G. = Gaelic Anglicized: MacTamhais (MacTavish) = Thom(p)son in English ^[5]

Notable people with the surname include:

• Bob McTavish (born 1944), Australian surfboard designer
• Bob McTavish (footballer) (1888-1972), Scottish footballer
• Dale McTavish (born 1972), Canadian professional ice hockey player
• Devon McTavish (born 1984), American professional soccer player
• George Archibald McTavish (1856-1886), farmer and politician
• Gord McTavish (born 1954), Canadian professional ice hockey player
• Gordon McTavish (1925–2019), Canadian curler and judge
• Graham McTavish (born 1961), Scottish actor and voice actor
• Jessie McTavish, Scottish nurse convicted in 1974 of murdering a patient with insulin
• John McTavish (footballer, born 1885), Scottish footballer
• John McTavish (footballer, born 1932), Scottish footballer
• John McTavish (politician), Canadian politician
• Mason McTavish (born 2003), Swiss professional ice hockey player
• Megan McTavish (born 1949), American television actress
• Saunders McTavish, pen name of early settler, businessman and politician William Storrie in the colony of South Australia (c. 1832 − 19 June 1900)
• Simon McTavish (1750–1804), Scots-Canadian businessman, fur trader, and philanthropist
• Waldo McTavish Skillings (1906–1981), politician and insurance agent

• École McTavish Junior High Public School
• McTavish reservoir
• McTavish Street
• Clan MacTavish
• MacTavish (Surname)
• Tavish, a related given name
• Thompson, a related given name