- Abraham Leffler
- Adolph Leffler
- Albert B. Leffler
- Anna Leffler
- Arthur Leffler
- Benjamin Leffler
- Benjamin A. Leffler
- Ceclia Leffler
- Celia Leffler
- Cora Leffler
- David Leffler
- Edna Leffler
- Emma Esther Leffler
- Erna Leffler
- Ernest Leffler
- Francis Leffler
- Frederick L. Leffler
- George Leffler
- Hannah Leffler
- Hermine Leffler
- J. Leffler
- Jack Leffler
- Jacob Leffler
- Jacob O. Leffler
- Jean Leffler
- Jeannette F. Leffler
- Jennie Leffler
- Jennie Leah Leffler
- John Leffler
- John J. Leffler
- Joseph Leffler
- Julia Leffler
- Julian Leffler
- Kate Leffler
- Katherine Leffler
- Lee Lowe Leffler
- Louis Leffler
- Louise Leffler
- Mantiel Leffler
- Martha Leffler
- Martin Leffler
- Matiel Roos Leffler
- Melvin & (Mrs.) Leffler
- Minnie Leffler
- Moses Leffler
- Nanette A. Leffler
- Paula Leffler
- Sam Leffler
- Samuel Leffler
- Samuel J. Leffler
- Sidney Leffler
- Sidney E. Leffler
- Sidonia Leffler
- Stephen Saul Leffler
- Wilhelmina Leffler
- William Leffler