Lubbie Harper Jr. (born 1942) is an American lawyer and judge who was the third African American to become a justice of the Connecticut Supreme Court, serving from 2011 through 2012. While seconded to the court in 2008, he cast the deciding vote in Kerrigan v. Commissioner of Public Health, a ruling that legalized same-sex marriage in Connecticut. Harper also served as a justice on the Connecticut Superior Court (1997–2005) and on the Connecticut Appellate Court (2005–2011).