Bunsen may refer to:
- Christian Charles Josias Bunsen (1791–1860), Prussian diplomat and scholar
- Frances Bunsen (1791–1876), or Baroness Bunsen, Welsh painter and author, wife of Christian
- Robert Bunsen (1811–1899), German chemist, after whom is named:
- Bunsen burner
- Bunsen cell
- Bunsen crater on the Moon
- 10361 Bunsen, an asteroid
- Bunsen Reaction
- The Bunsen–Kirchhoff Award, a German award for spectroscopy
- Maurice de Bunsen (1852–1932), British diplomat
- Dr. Bunsen Honeydew, fictional character from the Muppet Show