Nathaniel Albertson (June 10, 1800 – December 16, 1863) was a U.S. Representative from Indiana.
Born in Fairfax, Virginia, Albertson moved to Salem, Indiana, and engaged in agricultural pursuits. He served as member of the State house of representatives 1838–1840. He moved to Floyd County in 1835 and settled in Greenville, near New Albany, and resumed agricultural pursuits.
Albertson was elected as a Democrat to the Thirty-first Congress (March 4, 1849 – March 3, 1851). He was an unsuccessful candidate for reelection in 1850 to the Thirty-second Congress. He resumed agricultural pursuits. He moved to Keokuk, Iowa, in 1853 and engaged in mercantile pursuits. He moved to Boonville, Missouri, in 1856 and continued mercantile pursuits. He settled in Central City, Colorado, in 1860 and engaged in the hotel business. He also became interested in mining. He died in Central City, Colorado, December 16, 1863. He was interred in Central City Graveyard.