Kathleen Jean "Katy" Brinson is an Australian actress, remembered for her roles in television soap operas. Her performing career began as a ballet dancer in the 1970s. Brinson then moved to Sydney to attend the National Institute of Dramatic Art.

She played Judy Sutton in The Young Doctors, Jill Clark in Prisoner and Wendy Armstrong in Sons and Daughters. She had a recurring role as public defender Lisa Blake in the legal drama Rafferty's Rules.