Rao Birender Singh (20 February 1921 – 30 September 2009) was an Indian politician.
He served first as a minister in the state government of Punjab.
He served as Chief Minister of Haryana for a few months (March to November) in 1967, and also served as a minister in Punjab state, Haryana state and the Union cabinet.
He also served as the first speaker of Haryana state assembly in 1966-67.