Wesley Newcomb (1818–1892) was an American physician and a malacologist who specialized in land snails.

Wesley Newcomb was born in New York in 1818.

[1] He studied medicine at the Jefferson Medical College (now Thomas Jefferson University) and Castleton Medical College in Vermont.

He traveled to San Francisco in 1849, and Honolulu, Hawaii in 1850.

He went into practice with Dr. William Hillebrand[2] who married his stepdaughter Anna Post on November 16, 1852.