This is a list of Harlequin Romance novels released in 1966. (Main index: List of Harlequin Romance novels)
| Number | Title | Author | Date | Citations |
|---|---|---|---|---|
| The Doctor's Difficult Daughter | Jan Haye | January 1966 | |
| Dr. Gregory Misunderstands | January 1966 | ||
| Doctor Overboard | January 1966 | ||
| A Song Begins | January 1966 | ||
| Christina Comes To Town | January 1966 | ||
| No Orchids By Request | January 1966 | ||
| Moon Over Africa | January 1966 | ||
| Island In The Dawn | January 1966 | ||
| Lady In Harley Street | Anne Vinton | February 1966 | |
| Surgeon At Witteringham | February 1966 | ||
| Senior Staff Nurse | February 1966 | ||
| The Primrose Bride | Kathryn Blair | February 1966 | |
| Hotel Mirador | February 1966 | ||
| The Wolf Of Heimra | February 1966 | ||
| Charity Child | February 1966 | ||
| Snare The Wild Heart | February 1966 | ||
| Send For Nurse Alison | Marjorie Norrell | March 1966 | |
| Jubilee Hospital | March 1966 | ||
| Nurse Ronnie's Vocation | Felicity Hayle | March 1966 | |
| Perchance To Marry | March 1966 | ||
| Castle Thunderbird | March 1966 | ||
| Magic Symphony | March 1966 | ||
| Greenfingers Farm | March 1966 | ||
| A Girl Named Smith | March 1966 | ||
| No Place For Surgeons | Elizabeth Gilzean | April 1966 | |
| A Doctor For Diana | Margaret Malcolm | April 1966 | |
| The Heart Cannot Forget | Mary Burchell | April 1966 | |
| The Path Of The Moonfish | Betty Beaty | April 1966 | |
| Gideon Faber's Chance | Pamela Kent | April 1966 | |
| The Courageous Heart | Jane Marnay | April 1966 | |
| The Feast Of Sara | April 1966 | ||
| Bride's Dilemma | April 1966 | ||
| Nurse At Fairchilds | Marjorie Norrell | May 1966 | |
| Doctor Of Research | Elizabeth Houghton | May 1966 | |
| The Turquoise Sea | Hilary Wilde | May 1966 | |
| No Other Haven | Kathryn Blair | May 1966 | |
| Mary Into Mair | May 1966 | ||
| House Of Lorraine | May 1966 | ||
| Sweet Are The Ways | May 1966 | ||
| Two Paths | Jean S. MacLeod | May 1966 | |
| Attached To Doctor Marchmont | Juliet Shore | June 1966 | |
| Hospital In The Tropics | Gladys Fullbrook | June 1966 | |
| Flower Of The Morning | Celine Conway | June 1966 | |
| No Just Cause | Susan Barrie | June 1966 | |
| Folly To Be Wise | Sara Seale | June 1966 | |
| Young Ellis | June 1966 | ||
| The Sweet Surrender | June 1966 | ||
| The House Of Discontent | June 1966 | ||
| Surgery In The Hills | Ivy Ferrari | July 1966 | |
| Doctor In Corsica | Elizabeth Gilzean | July 1966 | |
| The Lonely Shore | Anne Weale | July 1966 | |
| The Master Of Normanhurst | Margaret Malcolm | July 1966 | |
| Choose Which You Will | Mary Burchell | July 1966 | |
| The Black Benedicts | July 1966 | ||
| Flowering Desert | Elizabeth Hoy | July 1966 | |
| Beloved Tyrant | Violet Winspear | July 1966 | |
| With Love From Dr. Lucien | Pauline Ash | August 1966 | |
| Nurse Meg's Decision | Hilary Neal | August 1966 | |
| Star Creek | Pamela Kent | August 1966 | |
| The Outback Man | Amanda Doyle | August 1966 | |
| The Tender Glory | Jean S. MacLeod | August 1966 | |
| Battle Of Love | Kathryn Blair | August 1966 | |
| The Taming Of Laura | Rachel Lindsay | August 1966 | |
| The Rhythm Of Flamenco | Isobel Chace | August 1966 | |
| Nurse Averil's Ward | Mary Hunton | September 1966 | |
| Promise The Doctor | Marjorie Norrell | September 1966 | |
| Marry A Stranger | Susan Barrie | September 1966 | |
| Paradise Island | Hilary Wilde | September 1966 | |
| Green Girl | Sara Seale | September 1966 | |
| Three Women | Celine Conway | September 1966 | |
| Master Of Hearts | Averil Ives | September 1966 | |
| High Master Of Clere | Jane Arbor | September 1966 | |
| The Youngest Night Nurse | October 1966 | ||
| Nurse Adele | Hilda Nickson | October 1966 | |
| Bride Of Alaine | Rose Burghley | October 1966 | |
| Meant For Each Other | Mary Burchell | October 1966 | |
| The Japanese Lantern | Isobel Chace | October 1966 | |
| My Tender Fury | Margaret Malcolm | October 1966 | |
| Heir To Windrush Hill | Essie Summers | October 1966 | |
| One Coin In The Fountain | Anita Charles | October 1966 | |
| Lesley Bowen, M.D. | Marjorie Norrell | November 1966 | |
| Nurse At Rowanbank | November 1966 | ||
| The Tulip Tree | Kathryn Blair | November 1966 | |
| Huntsman's Folly | November 1966 | ||
| Meet Me In Istanbul | Pamela Kent | November 1966 | |
| One Summer's Day | Catherine Airlie | November 1966 | |
| The Man From Rhodesia | Ruth Clemence | November 1966 | |
| Mistress Of The House | Eleanor Farnes | November 1966 | |
| Student Nurse at Swale | Pauline Ash | December 1966 | |
| Nurse At Ste. Monique | Juliet Armstrong | December 1966 | |
| Terrace In The Sun | Anne Weale | December 1966 | |
| The Dutch Uncle | Margery Hilton | December 1966 | |
| The Man From The Valley | December 1966 | ||
| The Drummer Of Corrae | Jean S. MacLeod | December 1966 | |
| Spiced With Cloves | Elizabeth Hunter | December 1966 | |
| The Young Amanda | Sara Seale | December 1966 | |