Cedar Grove OnStage is an Asian Pacific American theatre arts organization established in 2006, based in Los Angeles, co-founded by playwright Tim Toyama and actor/director Chris Tashima who serves as Artistic Director.

It is a division of the entertainment company, Cedar Grove Productions and their focus is to develop, produce and present new and original Asian American theatre works.

In 1996, the independent media company Cedar Grove Productions was formed to produce the short film, Visas and Virtue (1997).

[2] Cedar Grove OnStage formed in 2006 when Cedar Grove Productions was invited to join the "Cultural Roundtable" at THE NEW LATC, a multicultural theatre arts consortium led by the Latino Theatre Company operating out of the Los Angeles Theatre Center facilities in downtown Los Angeles.

Performance groups belonging to the Cultural Roundtable include Cedar Grove OnStage, Culture Clash, Latino Theater Company, Playwrights' Arena, Robey Theatre Company, and American Indian Dance Theatre/Project HOOP.