Cristian Martinez is an American television writer and producer. He began gaining recognition in 2015 with the family drama The Fosters, where he wrote and story-edited seven episodes across multiple seasons. He later advanced to executive story editor and writer on its spin-off, Good Trouble, where he contributed to three episodes and produced eighteen during the 2019–2020 period.

Martinez wrote an episode of Women of the Movement and ventured into the Marvel Cinematic Universe with a writing credit on the MCU television miniseries Ironheart (2025).