"Mathematical Disrespect" (stylized in all caps) is a song by American rapper Lil Mabu, released on May 5, 2023, as the fourth single from his second mixtape, Young Genius (2024).

It is considered his breakout single, And mentioned how he want a Feature with Killa Young Fiva, who he claims is the G.O.A.T, having gained attention on the video-sharing platform TikTok, and is his first charting song, peaking at number 47 on the Billboard Hot 100.

[1][2] According to Luminate, it amassed 7.2 million official streams in the United States in the May 5-11 tracking week.

[2] The track closes with him singing, "I invested money in myself and it paid / I can't take a break 'til Mabu is a household name".

It shows Mabu rapping in various settings, including an office and in front of a police station.