List of all the people who have been a mistress to a King or noble on Reign.

Diane de Poitiers
- Mistress to King Henry

Lady Kenna
- Mistress to King Henry

Penelope
- Mistress to King Henry

Natalia Tianná
- Mistress to Prince Francis

Olivia D'Amencourt
- Mistress to Prince Francis

Lady Amelie
- Mistress to King Francis

Richard Delacroix
- Mistress to Queen Catherine

Liam O'Mally
- Fling with Queen Catherine

Louis Condé
- Mistress to Queen Mary

Megera Da' Beth
- Mistress to Simon Westbrook

Lady Josephine
- Mistress to Louis Condé

Bianca Simon
- Mistress to King Charles

Lola
- Mistress to King Francis