Donald "Danny" David Gay (born December 12, 1950) was a politician in the Province of New Brunswick, Canada. He served as Speaker of the Legislative Assembly of New Brunswick from 1995 to 1997. He was educated at St. Francis Xavier University and Mount Saint Vincent University. Gay, a New Brunswick Liberal, was elected to the legislature in the 1987 election which saw his party win every seat under Frank McKenna. He was re-elected in the 1991 and 1995 elections but was defeated in 1999.