Ter Horst is a Dutch toponymic surname. The original bearer of the name was from the horst, which is a historical indication of raised terrain covered with shrubs. People with the name include:

Guusje ter Horst (b. 1952), Dutch politician and government minister Kate ter Horst (1906–1992), a.k.a. Angel of Arnhem, Dutch woman who tended wounded soldiers during the Battle of Arnhem Olivier ter Horst (b. 1989), Dutch professional football player Rachel Ter Horst (b. 1973), Dutch model Enrique ter Horst (b. 1952), Venezuelan diplomat Jano ter Horst (born 2002), German footballer Jerald terHorst (1922–2010), press secretary to President Gerald Ford

See also Van der Horst, Dutch surname