William or Billy Garland may refer to:
William Garland (politician) (1856–1901), politician in Manitoba, Canada William Foster Garland (1875–1941), Ontario merchant and political figure William May Garland (1866–1948), real estate developer in Los Angeles William McKinley “Red” Garland Jr. (1923–1984), American jazz pianist Billy Garland (1918–1960), American blues musician Billy Garland (activist) (born 1949), former Black Panther and biological father of Tupac Shakur