Víctor Manuel Castro Cosío (born 14 June 1955) is a Mexican politician currently affiliated with the National Regeneration Movement.

[1] In 2005, he ran successfully for municipal president of La Paz, serving simultaneously on the PRD's state council.

[1] After his term as mayor ended, he ran for and won election as a federal deputy to the LXI Legislature of the Mexican Congress, representing the second district of Baja California Sur, including La Paz.

[1] In 2015, Castro departed from the PRD and ran as the Morena candidate in the Baja California Sur gubernatorial election of that year, finishing fourth with 6.41 percent of the vote as the state reaffirmed its shift to PAN dominance by re-electing that party in the person of Carlos Mendoza Davis.

[3] On election day, the Juntos Haremos Historia ticket of Castro and Lucía Trasviña Waldenrath placed first, sending both candidates to the Senate.