- Abraham Seckel
- Albert Seckel
- Alfred John Seckel
- August Seckel
- B. H. Seckel
- Barnett L. Seckel
- Bernard H. Seckel
- Betty Seckel
- Demed Franst Seckel
- Dora V. Seckel
- Emilie Seckel
- Emma Seckel
- Ephraim Seckel
- Fannette Seckel
- Frances Seckel
- George Seckel
- George Theodore Seckel
- Hannah Seckel
- Heinrich Seckel
- Isaac Myer Seckel
- Jeannette Seckel
- Johanna Seckel
- Katherine Seckel
- Meyer Seckel
- Myer Seckel
- Rachel Seckel
- Ray Seckel
- Rirla Seckel
- Rosalie Seckel
- Rosalie Gumpertz Seckel
- Sigmund B. Seckel
- Sophia Seckel
- Sophie Seckel
- Theodor Seckel
- Thomas Seckel
- William Seckel