| Election Name: | 1937 New York City mayoral election |
| Country: | New York City |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1933 New_York_City_mayoral_election |
| Previous Year: | 1933 |
| Next Election: | 1941 New_York_City_mayoral_election |
| Next Year: | 1941 |
| Election Date: | November 2, 1937 |
| Image1: | La Guardia (cropped).png |
| Candidate1: | Fiorello La Guardia |
| Party1: | Republican Party (United States) |
| Alliance1: | American Labor Party |
| Popular Vote1: | 1,344,630 |
| Percentage1: | 60.1% |
| Candidate2: | Jeremiah T. Mahoney |
| Party2: | Democratic Party (United States) |
| Alliance2: | Trade Union |
| Popular Vote2: | 890,756 |
| Percentage2: | 39.8% |
| Map Size: | 250px |
| Mayor | |
| Before Election: | Fiorello La Guardia |
| Before Party: | Republican Party (United States) |
| After Election: | Fiorello La Guardia |
| After Party: | Republican Party (United States) |
The 1937 New York City mayoral election took place on November 2, 1937 in New York City. Incumbent Mayor Fiorello La Guardia, the Republican candidate, was reelected with 60.09% of the vote, defeating the Democratic candidate Jeremiah T. Mahoney, a lawyer and former New York Supreme Court justice, as well as other, third party candidates.[1] La Guardia was also the nominee of the American Labor Party, and additionally ran on the City Fusion and Independent Progressive ballot lines, while Mahoney ran on the Trade Union and Anti-Communist party lines.[2]