Anthony Knapp (13 October 1936 – 22 March 2023) was an English football player and manager, who played as a defender in the English football league in the 1960s.

His career as a manager started in Poole Town (1971–72, also player) and as an assistant coach to Norwich City.

He then had success with the amateurs Iceland national team (1974–77, A, U18, U21) as in their beating East Germany 2–1 (1975).

Since then Knapp had coached several lower division clubs in Rogaland, such as FK Vidar, Djerv 1919, Sandnes Ulf, Staal Jørpeland (2003), Stavanger IF and Hundvåg FK (2004–05), as well as Lillesand IL (2007–08) in Aust-Agder, before he retired due to illness.

As of February 2020, Knapp was residing in Jørpeland in Norway with his wife and children.