Andrew (Andy) "Hawaiian Punch" Ganigan (September 3, 1952 – May 2, 2012) was an American former lightweight boxer of Filipino descent.
Ganigan captured the NABF lightweight title by scoring a TKO in 8 rounds over Vicente Mijares on March 28, 1978.
He lost that title to Johnny Lira on a 6-round KO on August 1, 1978, but recaptured the crown from Mijares on March 27, 1979, by winning a unanimous 12-round decision.
Ganigan also won the World Athletic Association (WAA) lightweight crown by scoring a KO in 2 rounds over Sean O'Grady on October 31, 1981.
Ganigan's last fight was an unsuccessful attempt to take the USBA lightweight crown from Jimmy Paul on June 6, 1983.