Henry C. Allen (New Jersey politician) should not be confused with Henry C. Allen (Virginia politician).
| Henry C. Allen | |
| State: | New Jersey |
| Term Start: | March 4, 1905 |
| Term End: | March 3, 1907 |
| Predecessor: | William Hughes |
| Successor: | William Hughes |
| Birth Name: | Henry Crosby Allen |
| Restingplace: | Cedar Lawn Cemetery |
| Birth Date: | 13 May 1872 |
| Birth Place: | Paterson, New Jersey, U.S. |
| Death Place: | Mystic, Connecticut, U.S. |
| Party: | Republican |
Henry Crosby Allen (May 13, 1872, Paterson, New Jersey – March 7, 1942, Mystic, Connecticut) was an American lawyer and Republican Party politician who represented New Jersey's 6th congressional district in the United States House of Representatives for one term from 1905 to 1907.
Martin was born in Paterson, New Jersey on May 13, 1872. He attended private and public schools in his native city, and graduated from St Paul's School in Garden City, New York in 1889, from Yale University in 1893, and from the New York Law School in 1895. He was admitted to the bar in 1895 and commenced practice in Paterson.
Martin was elected as a Republican to the Fifty-ninth Congress, serving in office from March 4, 1905 – March 3, 1907, but was not a candidate for renomination in 1906.
After leaving Congress, he resumed the practice of law in Paterson, and served as the postmaster of Paterson from 1926 to 1935.
He died in Mystic, Connecticut on March 7, 1942, while visiting his daughter. He was interred in Cedar Lawn Cemetery in Paterson.