Johan Heinrich Becker (18 December 1715 – 21 February 1761) was a German physician and chemist who settled in Norway.
He was born in Aurich, East Frisia, and graduated as medical doctor in 1736. He was appointed as physician (Norwegian: bergmedicus) in Kongsberg in 1742. From 1757 he lectured at the Kongsberg School of Mines, in chemistry and mineralogy. He died in Kongsberg in 1761.