Jeffrey Walker (born 10 July 1982) is an Australian director and former actor. He is best known to the Australian public for appearing as a child actor in Ocean Girl and Round the Twist. He moved on to direct episodes of Australian soaps Neighbours, Home and Away, and H2O: Add Water, and now directs feature films and TV series in Australia and the US. He is married to American-born Australian actress Brooke Harman-Walker.