Joaquim "Jack" M. Martins (born June 19, 1967) is an American attorney and politician serving as a member of the New York State Senate for the 7th district.

Upon graduating from Chaminade High School, he received a bachelor's degree in political science from American University in 1988.

[4] He authored laws reducing busing costs for school districts;[5] creating a truss notification system to improve safety for volunteer firefighters;[6] and establishing a new state fund to help homeless veterans.

[14] Martins sponsored legislation that would prevent New York from entering into a state contract or investment with those who boycott Israel or other American allies.

[18] Martins also served on the New York State Mandate Relief Council, which was created to help reduce costs for local governments and school districts by eliminating or reforming regulations.

[21] In November 2022, Martins ran for State Senate in District 7 and defeated Democratic incumbent Anna Kaplan.

[26] Amid calls for newly seated congressman George Santos to resign, Martins was mentioned as a possible replacement.

After George Santos was expelled in December 2023, Martins decided to not seek the GOP nomination for the 2024 special election.