"Square Biz" is a 1981 song by American R&B singer, Teena Marie.

Bass player and frequent collaborator Allen McGrier is credited as the co-writer along with Marie.

Baby Boy soundtrack containing hip-hop and R&B music was released by Universal Records on June 19, 2001 In 2002, En Vogue performed a cover of the song on their concert DVD, Live in the USA.

Missy Elliott uses an interpolation of a verse from Square Biz in Ciara's 2004 hit single, "1, 2 Step".

"Real Love" by Master P featuring Sera-Lynn, 2002 In 2022, a cover of the song was performed by JoJo[6] on YouTube.