A Charlie Brown Valentine is the 40th animated television special based on characters from the Charles M. Schulz comic strip Peanuts. It features the Peanuts characters during the week leading up to Valentine's Day. It is the second Valentine's Day-themed Peanuts special, following Be My Valentine, Charlie Brown (1975).

Initially broadcast February 14, 2002 on ABC, A Charlie Brown Valentine was the first new Peanuts special to air on television since 1994's You're in the Super Bowl, Charlie Brown, and the first original special to be televised since Schulz's death in February 2000.