- The Rogue Not Taken by Sarah MacLean
- The Rogue You Know by Shana Galen
- The Roommate by Rosie Danan
- The Rose Garden by Susanna Kearsley
- The Royal Conquest by Stacy Reid
- The Same Breath by Gregory Ashe
- The Same Place by Gregory Ashe
- The Scandalous, Dissolute, No-Good Mr. Wright by Tessa Dare
- The Scot Beds His Wife by Kerrigan Byrne
- The Scottish Duke by Karen Ranney
- The Scoundrel and the Debutante by Julia London
- The Scoundrel in Her Bed by Lorraine Heath
- The Scoundrel’s Seduction by Jennifer Haymore
- The Secret Casebook of Simon Feximal by K.J. Charles
- The Secret Lives of Country Gentlemen by KJ Charles
- The Secret of Love by Cynthia Wright
- The Secrets of Sir Richard Kenworthy by Julia Quinn
- The Siege Winter by Ariana Franklin and Samantha Norman
- The Soldier by Grace Burrowes
- The Soldier’s Scoundrel by Cat Sebastian
- The Songbird’s Seduction by Connie Brockway
- The Spare by Miranda Dubner
- The Spice King by Elizabeth Camden
- The Spice Merchant’s Wife by Charlotte Betts
- The Spooky Life by S.E. Harmon