William Harrison Withers Jr. (July 4, 1938 – March 30, 2020) was an American singer and songwriter. He had several hits over a career spanning 18 years, including "Ain't No Sunshine" (1971), "Grandma's Hands" (1971), "Use Me" (1972), "Lean on Me" (1972), "Lovely Day" (1977) and "Just the Two of Us" (1980). Withers won three Grammy Awards and was nominated for six more.

His life was the subject of the 2009 documentary film Still Bill. Withers was inducted into the Songwriters Hall of Fame in 2005 and Rock and Roll Hall of Fame in 2015. Two of his songs were inducted into the Grammy Hall of Fame.