| Title | Character | Description |
| Northanger Abbey | Anne Mitchell | A 'friend' of Isabella Thorpe's who had tried to put on a turban like Isabella's but who had apparently made wretched work of it. |
| Northanger Abbey | Captain Frederick Tilney | A dashing Captain in the 12 Light Dragoons, brother to Henry and Eleanor. |
| Northanger Abbey | Skinner | A family of unknown quantity that Mrs Allen wishes were in Bath. |
| Northanger Abbey | Mrs. Thorpe | A former schoolfellow and intimate of Mrs Allen's |
| Northanger Abbey | Mrs. Hughes | A lady who is a member of Henry and Eleanor's party at the ball in the Upper Rooms. (Presumably Eleanor Tilney's chaperone?) |
| Northanger Abbey | Miss. Smith | A not-very-pretty acquaintance of Mrs Hughes, with whom Henry dances |
| Northanger Abbey | William | A servant of General Tilney's who almost loses his place because Catherine doesn't wait for him to announce her before bursting into the family apartments. |
| Northanger Abbey | Jackson | A student at Oriel College, Oxford. He apparently offered to buy John Thorpe's gig from him for sixty guineas; ten more than he had paid for it - as long as the horse was included. |
| Northanger Abbey | Freeman | A very good sort of fellow at Christchurch College, Oxford, who sold his curricle-hung gig to John Thorpe for fifty guineas. |
| Northanger Abbey | General Courtenay | A very old friend of the General Tilney's - someone with whom he had hoped to meet in Bath. |
| Northanger Abbey | Sophia | Along with Emily, Sophia is one of the two sweetest girls in the world with whom Anne Thorpe has become intimate, having known her for a single morning. |
| Northanger Abbey | Charlotte Davis | An offstage character at whose side Captain Tilney remained glued after his narrow escape from Isabella Thorpe's would-be clutches. |
| Northanger Abbey | Captain Hunt | Another of Isabella Thorpe's beaux. This one she apparently refused to dance with until he agreed that the amazingly insipid Miss Andrews was as beautiful as an angel. |
| Northanger Abbey | William Thorpe | Another young Thorpe sibling. This one is at sea, but like his more academic brothers, he is too is apparently beloved and respected by all who know him. |
| Northanger Abbey | Sally (Sarah) Morland | Catherine Morland's sixteen-year-old sister who, being a young lady of common gentility, had naturally altered her name as far as she could, from Sally to Sarah. |
| Northanger Abbey | Rev. Richard Morland | Father of Catherine Morland. He was a clergyman |
| Northanger Abbey | Rev. Henry Tilney | Hero, witty and charming. |
| Northanger Abbey | Mrs. Allen | Mr Allen's wife: .one of that numerous class of females, whose society can raise no other emotion than surprise at there being any men in the world who could like them well enough to marry them. |
| Northanger Abbey | Isabella Thorpe | Mrs Thorpe's beautiful but shallow daughter. She's a master of artifice and is able to charm all and sundry - initially anyway. |
| Northanger Abbey | George Morland | One of Catherine Morland's youngest siblings; a child of six who might or might not have been the first to joyously proclaim her return home. |
| Northanger Abbey | Sam Fletcher | One of John Thorpe's mythical friends who apparently wanted to sell him a famous, clever animal for the road at the knock-down price of forty guineas |
| Northanger Abbey | Edward Thorpe | One of Mrs Thorpe's talented (according to her) sons - a student at Merchant-Taylors'. |
| Northanger Abbey | Maria Thorpe | One of Mrs Thorpe's two younger daughters |
| Northanger Abbey | Anne Thorpe | One of Mrs Thorpe's two younger daughters. Although not as beautiful as Isabella, she does very well by pretending to be as handsome as [her] sister, imitating her air, and dressing in the same style. |
| Northanger Abbey | Charles Hodges | One of the many enraptured gentlemen that Isabella Thorpe claims, plague her to death, in order to make her dance. |
| Northanger Abbey | Emily | One of the two sweetest girls in the world who had been the dear friend of Miss Anne Thorpe for all the morning. |
| Northanger Abbey | Alice | Probably Miss Tilney's maid |
| Northanger Abbey | Lady/Ladies Fraser | The Lady Frasers - an unknown quantity of titled ladies that General Tilney wished had been in the country to amuse Catherine during her visit to Northanger AbbeyA very old friend of the General Tilney's - someone with whom he had hoped to meet in Bath. |
| Northanger Abbey | Dorothy | The ancient housekeeper in the gothic tale Henry invents to frighten Catherine |
| Northanger Abbey | General Tilney | The authoritarian father of hero Frederic, Eleanor and Henry Tilney |
| Northanger Abbey | Mr. John Thorpe | The empty-headed and boastful brother of Isabella Thorpe, and the would-be suitor of Miss Morland |
| Northanger Abbey | Eleanor Tilney | The hero's sister, who is presented as an idealised young woman and friend, in strong contrast to the vain and selfish Isabella. |
| Northanger Abbey | Mr. James Morland | The heroine's oldest brother - a good-natured, but inexperienced young man, who is nearly duped by Isabella Thorpe. |
| Northanger Abbey | Mrs. Morland | The heroine's practical mother - a sensible soul, who did not insist on her daughters being accomplished in spite of incapacity or distaste. |
| Northanger Abbey | Mr. Richard Morland | The heroine's second oldest brother in Northanger Abbey - a young man who would apparently have to do without cravats if he were entirely dependent on the love-sick Catherine for that article of clothing |
| Northanger Abbey | Robinson | The man General Tilney asks Henry to remind him to speak to about the cottage that entrances Catherine so; the one which he was presumably going to have demolished because it was visible from Henry's grounds. |
| Northanger Abbey | Mr. James King | The master of ceremonies at the Lower Rooms. One of several real persons not being authors mentioned in the novel. |
| Northanger Abbey | Marquis Longtown | The second of the very old friends that General Tilney is unable to see in Bath. The General uses the supposed need for a visit to Lord Longtown as his excuse for dismissing Catherine from Northanger Abbey. |
| Northanger Abbey | Catherine Morland | The seventeen-year-old heroine. A guileless young woman who cannot speak well enough to be unintelligible |
| Northanger Abbey | Matilda | The wretched heroine in the Gothic story Henry invents to frighten Catherine |
| Northanger Abbey | George Parry | The young gentleman who Mrs Allen says might have danced with Catherine had he only been in Bath. |
| Northanger Abbey | Harriet Morland | The youngest in the Morland family, a four-year-old girl who vied with little George in being the first to welcome Catherine home from her adventures. |
| Northanger Abbey | Miss. Andrews | a sweet girl |
| Northanger Abbey | Mr. Allen | of Fullerton in Wilts |