Samuel Atkinson Dobbins (April 14, 1814 – May 26, 1886) was a Republican Party politician who represented New Jersey's 2nd congressional district in the United States House of Representatives from 1873 to 1877.

Dobbins was born near Vincentown in Southampton Township, New Jersey (in Burlington County) on April 14, 1814.

He attended private and public schools, and engaged in agricultural pursuits.

He moved to Mount Holly Township, New Jersey in 1838 and continued farming.

He was high sheriff of Burlington County from 1854 to 1857, and served as a member of the New Jersey General Assembly from 1859 to 1861.