Robert Cha (차웅산, 車雄山) is a Korean American architect and artist. He studied at Princeton University and holds a Master of Architecture degree attained with a fellowship award for full tuition and stipends. He also holds a Bachelor of Architecture with Best Thesis award from SCI-Arc. His teachers include Wes Jones, Jesse Reiser, Liz Diller, David Adjaye, Coy Howard, Sylvia Lavin, and Jeff Kipnis.

Cha apprenticed in the practices of Stan Allen, Eric Owen Moss, Hernan Diaz Alonso, Craig Hodgetts and Hsinming Fung. Along with conceptual architecture, he spearheaded built projects from schematic design to construction.

Cha exhibited at the 11th Venice Architecture Biennale curated by Aaron Betsky. His projects have been published in books and journals including Spots in Shots by Melanie van der Hoorn, NAi Boekverkopers, 2019; Urban Transformation by Ilka Ruby & Andreas Ruby, Ruby Press, 2008; and on the cover of Rumor, 2010, the newspaper of Princeton University's School of Architecture.

A U.S. Navy veteran, Cha deployed aboard the aircraft carrier USS Abraham Lincoln as a final checker and aircraft mechanic for F/A-18s and S-3s. For distinction in the Iraq War, he was awarded the Navy and Marine Corps Achievement Medal. His encounters with the sublime has had a profound impact on his craft.

Robert Cha and his wife reside in California.