| Alexander Hay Ritchie | |
| Birth Date: | January 21, 1822 |
| Birth Place: | Glasgow, Scotland |
| Death Place: | New Haven, Connecticut, United States |
| Nationality: | American |
| Known For: | Engraving |
| Training: | Sir William Allan |
| Notable Works: | Sherman's March to the Sea (1868) |
Alexander Hay Ritchie (January 21, 1822 – September 19, 1895) was a Scottish-born American artist and engraver. He was born in Glasgow, and studied under Sir William Allan before moving to New York City in 1841. He specialised in mezzotints.