David Singh is a fictional character who appears in various DC Comics publications.

Singh appeared as a recurring cast member on The CW Arrowverse television series The Flash played by Patrick Sabongui.

Sanjeev Bhaskar portrayed Singh in the DC Extended Universe film The Flash.

David Singh is the director of the crime lab at the Central City Police Department.

He emphasizes quantity of cases solved over quality, alienating longtime employees such as Barry Allen and Patty Spivot.