Frank Alesia (January 4, 1944 – February 27, 2011) was an American actor and television director. He was best known for his work in the beach party film genre during the 1960s, including such films as Pajama Party (1964) and Riot on Sunset Strip (1967). He later directed episodes of Captain Kangaroo and other television series.

Alesia was born in Chicago, Illinois, and moved to Los Angeles in 1964. According to The Hollywood Reporter, Alesia became one of the last character actors in the film industry to work under the studio system, which was declining at the time. He appeared in several beach party films of the 1960s, including Pajama Party, Bikini Beach, which starred Frankie Avalon and Annette Funicello, Riot on Sunset Strip and Beach Blanket Bingo. His television credits as an actor also included appearances in The Flying Nun, The Odd Couple, Gomer Pyle, That Girl, Room 222 and Laverne & Shirley.

Alesia later directed episodes of Captain Kangaroo, which earned him a Daytime Emmy nomination in 1979. He also joined the crew of Laverne & Shirley beginning in 1980 as both a screenwriter and television director. He directed three episodes of Laverne & Shirley, wrote one episode, and served as an executive consultant for eight episodes of the show.

He later left the entertainment industry and raced and bred thoroughbred horses.