Dahlia Travers (née Wooster) is a recurring fictional character in the Jeeves stories of English comic writer P. G. Wodehouse, being best known as Bertie Wooster's bonhomous, red-faced Aunt Dahlia. She is much beloved by her nephew, in contrast with her sister, Bertie's Aunt Agatha.

Proprietor of the weekly newspaper for women Milady's Boudoir, she is married to Tom Travers, mother of Angela Travers and Bonzo Travers, and employs the supremely gifted French chef Anatole at her country house, Brinkley Court.

Aside from Jeeves and Bertie Wooster, Aunt Dahlia appears in more Jeeves novels, and more Jeeves stories overall, than any other character. She makes an appearance in fourteen Jeeves stories, including seven novels and seven short stories. Only Aunt Agatha and Bingo Little appear in more Jeeves short stories (eight and ten, respectively).

Wodehouse spent much of his youth with his many aunts and uncles, as his parents were generally away in Hong Kong. The character of Aunt Dahlia was inspired by one of Wodehouse's aunts, Louisa Deane. Louisa Deane was the sister of Wodehouse's mother, Eleanor Deane, and Mary Bathurst Deane, who inspired the character of Aunt Agatha.

Dahlia Travers lives at Brinkley Court outside Market Snodsbury in Worcestershire. She is married to Tom Travers, and has two children, Angela Travers and Bonzo Travers. She appears to have been married sometime once before, since Bertie says that she "married old Tom Travers en secondes noces, as I believe the expression is, the year Bluebottle won the Cambridgeshire". Bertie enjoys her company, and says of her, "There are few males or females whose society I enjoy more than that of this genial sister of my late father". She is "a large, genial soul", and Bertie praises "her humanity, sporting qualities, and general good-eggishness". Though typically friendly, she is capable, with effort, of going into an authoritative "grande dame act" if the situation calls for it, assuming a serious expression and cold, aristocratic tone. While she generally has reasonable objectives, she has no objection to resorting to methods such as burglary or blackmail in order to achieve those goals.

Described as being built along the lines of Mae West, Aunt Dahlia is short and solid, with a reddish complexion. According to Bertie, her face takes on a purple tinge in moments of strong emotion. She wears tortoiseshell-rimmed spectacles for reading, and appears to style her hair carefully, as her hair is variously described as her "carefully fixed coiffure", "her Marcel-wave", and "her perm".

Her most notable personal characteristic is her loud, carrying voice. Riding in her youth for years with such fox-hunting packs as the Quorn and the Pytchley, she tends to address Bertie, over the phone or indoors, as if "shouting across ploughed fields in a high wind." She sometimes uses hunting cries in regular speech, including "Yoicks!", "Tally ho!", "Gone away!", and "Hark forrard!". She once put her carrying voice to use at a village concert, in which she sang "Every Nice Girl Loves A Sailor" while wearing a sailor suit. Her performance was well received. As she tells Bertie, "I had them rolling in the aisles. Three encores, and so many bows that I got a crick in my back."

Dahlia employs the French chef Anatole, whose cooking is revered by many characters, especially her husband Tom and her nephew Bertie Wooster. Bertie is quick to accept an invitation to Brinkley Court for the chance to enjoy Anatole's cooking, and she uses the promise of his cooking to get Bertie to do various tasks for her. Her butler is Seppings. Before Seppings, Aunt Dahlia employed a butler named Pomeroy, a noble fellow, and before him, Murgatroyd, who turned out to be a thief. Aunt Dahlia has a large, sleepy black cat called Augustus, or "Gus".