Cassell
- Alan Cassell
- Albert Cassell
- Alberta Jeannette Cassell
- Arrow (musician)
- Cassel (disambiguation)
- Cassell (publisher)
- Cassell Coliseum
- Cassell's Hamburgers
- Cassell's National Library
- Cassell, Wisconsin
- Cassells
- Cassels
- Charles E. Cassell
- Emma Frances Plecker Cassell
- Halima Cassell
- Jim Cassell
- John Cassell
- Justin Cassell
- Justine Cassell
- Justyn Cassell
- Ollan Cassell
- Orion Publishing Group
- Paul G. Cassell
- Rob Cassell
- Sam Cassell
- Scott Cassell
- Wally Cassell