Patti Yasutake (born September 6, 1953) is an American film and television actress. She is best known for her portrayal of Nurse Alyssa Ogawa in the Star Trek franchise. She is the sister of Irene Hirano.

Her television acting career began in 1985 with an appearance on the show T.J. Hooker. More recently, she appeared on Boston Legal. She resides in Hollywood, California. She is married.