Minsa'y isang gamu-gamo, Once a Moth is a 1976 Filipino film. It concerns a Filipino nurse, Cora de la Cruz, who dreams of moving to America. When her brother is killed, her ideas change. The film criticises American military presence in the Philippines. It was an entry to the 1976 Metro Manila Film Festival and won five awards at the 25th FAMAS Awards, including those for best picture, director and screenplay.