Joan Fitzgerald
Joan Fitzgerald may refer to:
- Joan [FitzGerald, Countess of Carrick], daughter of John FitzThomas FitzGerald, 1st Earl of Kildare
- Joan Fitzgerald, Countess of Ormond, daughter of James Fitzgerald, 10th Earl of Desmond
- Joan Fitzgerald (politician), Wisconsin state legislator
- Joan Fitz-Gerald, former president of the Colorado Senate