Other
- Keller, a Swedish electro pop band.
- Keller Williams, a jam-band musician.
- Keller E. Rockey
- Helen Keller International
- Keller Sisters and Lynch
- Gottfried-Keller-Preis
- Keller Graduate School of Management
- Keller (automobile)
- Kellerbier, a style of beer, probably originating in Germany
- Keller Group, a British based ground engineering company
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