Walter G. McGahan (August 21, 1902 – January 17, 1981) was an American lawyer and politician from New York.
He was born on August 21, 1902, in Greenwich Village, New York City. He attended St. James Academy and Brooklyn Preparatory School. He graduated from Fordham Law School in 1926, and practiced law in New York City. He married Edna Salisbury, and they had one daughter.
He was a member of the New York State Senate from 1955 to 1958, sitting in the 170th and 171st New York State Legislatures. In November 1957, he ran on the Republican ticket for New York City Comptroller, but was defeated by the incumbent Democrat Lawrence E. Gerosa. In November 1958, McGahan ran for re-election to the State Senate, but was defeated by Democrat Jack E. Bronston.
- MCGAHAN, WALTER" at Social Security Info
- New York Red Book (1958–1959; pg. 102)
- THE PRESIDENT OF THE COUNCIL GREETING NEW MEMBERS in the New York Times on January 9, 1947 (subscription required)
- Insurance Aide Named in the New York Times on October 3, 1967 (subscription required)
- Walter G. McGahan Is Dead at 75 in the New York Times on January 20, 1981
|New York State Senate|
| New York State Senate
Jack E. Bronston