David Logan (April 5, 1824 – March 26, 1874) was an American attorney and politician in the territory of and later state of Oregon.

[2][3] David Logan studied law in Springfield under his father and Lincoln passing the bar in 1844 in Sangamon County.

[2] The next year he ran for representative office in the Oregon Territorial Legislature for Yamhill County, but lost to Matthew P.

[4] On January 20, 1852, he represented the United States in a customs dispute with the Hudson's Bay Company at a court in Olympia, which was still part of the Oregon Territory at that time.

[2] Upon statehood, Logan stood as the new Republican Party's candidate for the state's seat in the House of Representatives.

[8] In 1868, he ran for Oregon's seat in Congress as the Republican nominee, losing to Joseph Showalter Smith.