Guéymard is a French surname that may refer to
- Adolphe G. Gueymard, American businessman
- 38269 Gueymard, a main-belt asteroid
- Louis Guéymard (1822–1880), French operatic tenor
- Pauline Guéymard-Lauters (1834–1908), Belgian opera singer
Guéymard is a French surname that may refer to