Major James P. Allen (August 18, 1848 - March 21, 1922) was an American lawyer, Democratic politician, and jurist who served as Mayor of Oklahoma City between 1897 and 1899.

James P. Allen was born in Attala County, Mississippi on August 18, 1848 to wealthy planters.

[2] In 1891, J. P. Allen was elected to represent the 23rd District in the Mississippi State Senate for the 1892 and 1894 sessions.

[1] He had worked as an attorney and judge before his election as Mayor of Oklahoma City in 1897.

After leaving office as mayor, Allen became the probate judge of Oklahoma County in 1902.