Robert Stockton Green (March 25, 1831 – May 7, 1895) was an American Democratic Party politician, who was the 27th governor of New Jersey from 1887 to 1890.

He studied law, was admitted to the bar in 1853 and commenced practice in Elizabeth, New Jersey.

They had four children: Caroline, Catherine, Isabelle and Robert Stockton Green Jr.

He was a member of the Elizabeth city council from 1863 to 1873, and was presiding judge of the Union County Court of Common Pleas from 1868 to 1873.

He was a US representative in the Forty-ninth United States Congress from March 4, 1885, until his resignation on January 17, 1887, when he stepped down to become Governor of New Jersey from 1887 to 1889.