Grumbles
Grumbled is the name of
- Ingrid Grummt (* 1943), German molecular biologist
- Friedrich Grummt (1940–2020), German biochemist
- Kornelia Grummt-Ender (* 1958), German swimmer
- Steffen Grummt (* 1959), German athlete and bobsledder
- Wolfgang Grummt (1932–2013), German ornithologist, zoo biologist and nature conservationist