FitzAlan is an English surname ultimately of Norman-Breton origin. The family originated in Brittany, in France, and shared common ancestry with the Scots royal Stewarts. They were descendants of the eponymous Alan fitz Flaad grandson of the Seneschal of the Bishop of Dol. The FitzAlans held the earldom of Arundel during the period 1267 - 1580. Variants include Fitz-Alan, Fitzalan, Fitzallen, Fitz Alan, as well as the locational variants Arundel and Arundell because of the earldom. People with the surname include:

• Anne Fitzalan-Howard, Duchess of Norfolk
• Augusta Fitzalan-Howard, Duchess of Norfolk
• Bernard Fitzalan-Howard, 3rd Baron Howard of Glossop
• Bernard Fitzalan-Howard, 16th Duke of Norfolk (1908 – 1975), known as the Earl of Arundel and Surrey from birth
• Bryan FitzAlan, Lord FitzAlan (d. 1306)
• Charlotte Fitzalan-Howard, Duchess of Norfolk
• Edmund FitzAlan, 9th Earl of Arundel
• Edmund FitzAlan-Howard, 1st Viscount FitzAlan of Derwent (1855 – 1947), British Conservative politician; last Lord Lieutenant of Ireland
• Edward Fitzalan-Howard, 1st Baron Howard of Glossop
• Edward Fitzalan-Howard, 18th Duke of Norfolk
• Eleanor FitzAlan (ca. 1284 – ca. 1328)
• Lady Elizabeth FitzAlan (1366 – 1425)
• Georgina Fitzalan-Howard, Duchess of Norfolk
• Gwendolen Fitzalan-Howard, Duchess of Norfolk
• Henry Fitzalan-Howard, 14th Duke of Norfolk
• Henry Fitzalan-Howard, 15th Duke of Norfolk
• Henry FitzAlan-Howard, 2nd Viscount FitzAlan of Derwent
• Henry Fitzalan-Howard, Earl of Arundel
• Henry FitzAlan, 19th Earl of Arundel
• Humphrey FitzAlan, 15th Earl of Arundel
• John FitzAlan, 1st Baron Arundel
• John FitzAlan, 2nd Baron Arundel
• John FitzAlan, 7th Earl of Arundel
• John FitzAlan, 6th Earl of Arundel
• John FitzAlan, 13th Earl of Arundel
• John FitzAlan, 14th Earl of Arundel
• John Fitzalan, Lord of Oswestry (1200–1240), son of William Fitz Alan, 2nd Lord of Oswestry and Clun, who married into the d'Aubigny family, thus acquiring the Arundel earldom for the Fitzalans.
• Lavinia Fitzalan-Howard, Duchess of Norfolk
• Marsha Fitzalan (born 1953), English film actress
• Lord Michael Fitzalan-Howard (1916 – 2007), officer in the British Army, Marshal of the Diplomatic Corps/British Royal Household, Gold Stick-in-Waiting and Colonel of the Life Guards
• Miles Stapleton-Fitzalan-Howard, 17th Duke of Norfolk (1915 – 2002), British Army General
• Mona Fitzalan-Howard, 11th Baroness Beaumont
• Richard FitzAlan, 8th Earl of Arundel
• Richard FitzAlan, 10th Earl of Arundel (c. 1306 – 1376), English nobleman; medieval military leader
• Richard FitzAlan, 11th Earl of Arundel (1346 – 1397), English medieval nobleman, military commander
• Thomas FitzAlan (died 1430), medieval English knight
• Thomas FitzAlan, 12th Earl of Arundel
• Thomas FitzAlan, 17th Earl of Arundel
• Walter fitz Alan
• William FitzAlan, Lord of Oswestry (1105–60), an important Marcher lord and supporter of the Empress Matilda, elder brother of Walter fitz Alan.
• William Fitz Alan, 1st Lord of Oswestry and Clun (died 1210), son of William FitzAlan, Lord of Oswestry, and a marcher lord under the early Plantagenet kings.
• William Fitz Alan, 2nd Lord of Oswestry and Clun (died 1215), son of William Fitz Alan, 1st Lord of Oswestry and Clun, who came into conflict with King John.
• William FitzAlan, 16th Earl of Arundel
• William FitzAlan, 18th Earl of Arundel