David Cobb (September 14, 1748 – April 17, 1830) was a Massachusetts physician, military officer, jurist, and politician who served as a U.S.

Born in Attleborough in the Province of Massachusetts Bay on September 14, 1748, Cobb graduated from Harvard College in 1766.

He was a member of the Massachusetts Provincial Congress in 1775; lieutenant colonel of Jackson's regiment in 1777 and 1778, serving in Rhode Island and New Jersey; was aide-de-camp on the staff of General George Washington; appointed major general of militia in 1786 and rendered conspicuous service during Shays' Rebellion.

[5] Cobb was also admitted as an original member of the Society of the Cincinnati in the state of Massachusetts at the conclusion of the war.

Cobb moved to Gouldsboro in the District of Maine in 1796 and engaged in agricultural pursuits; elected to the Massachusetts Senate from the eastern District of Maine in 1802 and served as president; elected to the Massachusetts Governor's Council in 1808; Lieutenant Governor of Massachusetts in 1809; member of the board of military defense in 1812; chief justice of the Hancock County (Maine) court of common pleas; returned in 1817 to Taunton, where he died on April 17, 1830.