Trenton is a city in Todd County, Kentucky, United States.

Settled as Lewisburg in 1796, and incorporated in 1840.

The city was renamed after Trenton, New Jersey in 1819.

[3] According to the United States Census Bureau, the city has a total area of 0.6 square miles (1.6 km2), all land.

Musician and activist Josephine Leavell Allensworth was born in Trenton.