Gerhard Keller
Gerhard Keller is the name of the following people:
- Gerhard auf dem Keller (1604–1675), German officer
- Gerhard Keller (geologist) (1903–1981), German geologist and university professor
- Gerhard Keller (painter) (1905–1984), German painter and graphic artist
- Gerhard Keller (architect) (1927–2005), German architect and javelin thrower
- Gerhard Keller (mathematician) (* 1954), German mathematician and university professor
- Gerhard Alexander Keller (* 1975), German painter