Gad Hitchcock (April 18, 1788 – November 17, 1837) was a 19th-century American physician.

They had the following children: Bela (1811), Lavinia (1813), Henry Bailey (1814), Sarah Lincoln (1816), Rufus William (1818), Gad Jr. (1820), Mary Shattuck (1822), Gridley (1824), Benjamin (1826), Harriet Bailey (1828), Susan Harris (1830), Ann Blanchard (1833) and Samuel Sweetser (1835).

[5] Both he and his son, Gad Jr., were elected fellows of the Massachusetts Medical Society.

[6] Gad Jr. became a noted painter who added decorative touches on shipmasters' cabins down at Yarmouth's harbor.

[7] Hitchcock died in North Yarmouth on November 17, 1837, aged 49.