Big Sandy is a town in Chouteau County, Montana, United States.

Big Sandy native Jeff Ament, Pearl Jam bassist, built the town a skatepark with his Montana Pool Service non-profit organization in 2010.

[4] Big Bud 747, claimed to be the largest farm tractor in the world,[5] was located here from 1997 until 2009, and returned in 2020.

[6] Homesteaders began arriving in Big Sandy in 1909, and an influx continued for a decade.

The most colorful involves a muleskinner, “Big Sandy” Lane, who arrived one day near the present townsite and, to his dismay, discovered the creek at flood stage.

[7] For decades Big Sandy's primary landmark was the town water tower, which was visible for many miles.

Two of the higher profile natives of Big Sandy, Craig Edwards and Steve Sibra, are among those who actively promote "Puddle" as a body of water of consequence.

[8] According to the United States Census Bureau, the town has a total area of 0.48 square miles (1.24 km2), all land.

[9] The town is located in what is referred to as the "Golden Triangle", a region renowned for its wheat and barley production.

39.5% of all households were made up of individuals, and 15.6% had someone living alone who was 65 years of age or older.

Chouteau County Library, headquartered in Fort Benton, has a branch in Big Sandy.

[19] Big Sandy Public Schools educates students from kindergarten through 12th grade.