You're the Greatest, Charlie Brown is the 18th prime-time animated TV special based upon the comic strip Peanuts, by Charles M. Schulz. It originally aired on the CBS network on March 19, 1979, making it the last Peanuts TV special of the 1970s.

It was released to DVD on January 27, 2009, by Warner Home Video as a bonus feature to You're a Good Sport, Charlie Brown. It appeared in remastered form in the Peanuts 1970s Collection Vol. 2 on June 1, 2010. Before that, the special was released on CED in 1981, and on VHS by Media Home Entertainment in 1984, Hi-Tops Video in 1988, and by Paramount Home Media Distribution on March 9, 1994. The special occasionally saw airings on American TV channel Nickelodeon from 1998 to 2000 as part of Nickelodeon's umbrella branding for Peanuts programming, You're on Nickelodeon, Charlie Brown!.