The Southwest Pass is currently the main shipping channel, with secondary uses at the South Pass and Pass á Loutre.

As Southwest Division Engineer from 1897 to 1901, Robert studied how to deepen the Southwest Pass of the Mississippi River.

After fitting out, Bunch departed Southwest Pass on 12 September 1943.

Southwest Pass may refer to:

William Bacon, her task in the reduction of the forts completed, dropped down the river to Southwest Pass, where she awaited further orders.

A contractor removed obstacles in the Southwest Pass, which was restricting deep draft navigation.

The only part of the river operating under any restrictions was from the main stem of the Mississippi River channel through Southwest Pass to the Gulf.

The main ship passage is again in the Southwest Pass.

By 1853 La Balize had been relocated to the Southwest Pass, where it was built on the western bank about five miles (8 km) northwest of its first location.

Southwest Pass is a narrow strait in Vermilion Parish in southern Louisiana in the United States.