| William Martin Croll | |
| Image Name: | WilliamMartinCroll.jpg |
| Caption: | Croll in 1923 |
| Birth Date: | 9 April 1866 |
| Birth Place: | Upper Macungie Township, Pennsylvania, U.S. |
| Death Place: | Reading, Pennsylvania, U.S. |
| State: | Pennsylvania |
| District: | 14th |
| Term Start: | March 4, 1923 |
| Term End: | March 3, 1925 |
| Preceded: | Louis Thomas McFadden |
| Succeeded: | Charles Joseph Esterly |
| Party: | Democratic |
| Branch: | United States Navy |
| Serviceyears: | 1913–1918 |
| Battles: | World War I |
William Martin Croll (April 9, 1866 - October 21, 1929) was a Democratic member of the U.S. House of Representatives from Pennsylvania.
Croll was born in Upper Macungie Township, Pennsylvania. He attended Keystone State Normal School in Kutztown, Pennsylvania, and graduated from the Eastman Business College in Poughkeepsie, New York.
He taught school, and moved to Maxatawny, Pennsylvania, in 1889, where he engaged in the general merchandise business. He moved to Reading, Pennsylvania, in 1897 and engaged in the retail clothing business and in banking. He was treasurer of Berks County, Pennsylvania, from 1909 to 1912.
During World War I, from 1913 to 1918, he served as U.S. Navy officer at the Port of Philadelphia. He was a delegate to the Democratic National Conventions in 1912 and 1920.
Croll was elected as a Democrat to the Sixty-eighth Congress, but was an unsuccessful candidate for reelection in 1924. He resumed mercantile pursuits, died in Reading, and was interred in Laureldale Cemetery in Laureldale, Pennsylvania.