Osgood Robert "Oz" Perkins (born February 2, 1974) is an American actor and director.

Perkins' first acting role was in 1983's Psycho II, in which he briefly appeared as the twelve-year-old version of the Norman Bates character his father had portrayed. Since then, he has appeared in the 1993 film Six Degrees of Separation, the 2001 movie Legally Blonde as, "Dorky David," and he appeared in theatrical productions including Not Another Teen Movie and Secretary, and on episodes of Alias and other television shows. He also has a brief role in the 2009 film Star Trek as a Starfleet Academy trainee. In the award winning indie film La Cucina he plays Chris, opposite Leisha Hailey.