Orzell Billingsley (October 24, 1924 – December 14, 2001) was one of the first ten African-Americans admitted to the Alabama Bar; he was also known for his work in civil rights litigation, and he was one of the lead lawyers for Martin Luther King Jr. during the 1955 Montgomery bus boycott.

Billingsley set up a practice in Birmingham, where he was long involved in civil rights litigation.

He was arrested for "acting as an agent of a foreign corporation," when he filed a deed on behalf of the Nation of Islam to secure farmland in Alabama.

[2] Presidents John F. Kennedy and Lyndon Johnson were known to call on Billingsley regarding the turbulence during the civil rights era in Alabama.

Billingsley was a co-founder of the Alabama Democratic Conference, a statewide organization for African-American politics.