James Lanman (June 14, 1767 – August 7, 1841) was an American lawyer and politician from Connecticut who served in the United States Senate from 1819 to 1825.

[4] When his father died in 1804, James inherited and moved into his childhood home, the now historic "Peter Lanman House" on Main Street, for the rest of his life.

Lanman studied law and was admitted to the bar in 1791, beginning his practice in his hometown of Norwich "where he acquired great local distinction for his eloquence and general ability".

"[8] Lanman published a notable Fourth of July address to the citizens of Norwich on the 22nd anniversary of United States independence in 1798.

Together, they had four sons and eight daughters, including:[11] Widowed in 1817, Lanman married his second wife, Mary Judith (née Gall) Benjamin (1778–1848), on October 26, 1826.