Charles Kidd II (born September 25, 1987), known professionally as Calmatic, is an American filmmaker from Los Angeles known for music videos and commercials. He gained widespread fame in 2019 for directing the video for "Old Town Road" by Lil Nas X featuring Billy Ray Cyrus, which won the 2019 MTV Video Music Award for Best Direction and the 2020 Grammy Award for Best Music Video. He has also worked with Kendrick Lamar, Childish Gambino, Anderson .Paak, Pharrell Williams, and Jay-Z, among others.

In 2019 he directed the remake of the 1990 film House Party being developed by LeBron James, which is his feature length debut. His next movie, a reboot of the 1992 sports comedy film White Men Can't Jump, is going to be released in Hulu in 2023.