Nicolet-Yamaska (French pronunciation: [nikɔlɛ(t) jamaska]) is a former provincial electoral district in the Centre-du-Québec and Montérégie regions of Quebec, Canada that elected members to the National Assembly of Quebec.

As of its final election, it included the cities or municipalities of Pierreville, Nicolet, Bécancour, Sainte-Eulalie, Daveluyville, Saint-Leonard-d'Aston, Saint-Wenceslas and Saint-Gerard-Majella as well as portions of the city of Drummondville.

It disappeared in the 1981 election and Nicolet was recreated.

Nicolet disappeared again in the 1989 election, for which Nicolet-Yamaska was recreated.

It disappeared in the 2012 election and the successor electoral district was Nicolet-Bécancour.