| Elisabeth of Sicily | |
| Succession: | Duchess consort of Bavaria |
| Reign: | 1328 – c. 1349 |
| House: | House of Barcelona |
| Father: | Frederick III of Sicily |
| Mother: | Eleanor of Anjou |
| Consort: | yes |
| Spouse: | Stephen II, Duke of Bavaria |
| Issue: | Stephen III, Duke of Bavaria Frederick, Duke of Bavaria John II, Duke of Bavaria Agnes, Queen of Cyprus |
| Birth Date: | 1310 |
| Death Place: | Landshut |
Elisabeth of Sicily (1310–1349) was a daughter of Frederick III of Sicily and Eleanor of Anjou. Her siblings included: Peter II of Sicily and Manfred of Athens. After her death her title was given to Georgia Lanza.
On 27 June 1328 Elisabeth married Stephen II, Duke of Bavaria, son of Louis IV, Holy Roman Emperor and Beatrix of Silesia-Glogau. The couple had three sons and a daughter, they were:
Elisabeth died in 1349, her husband later married Margarete of Nuremberg; they had no children.
Two of her sons became Dukes of Bavaria and her daughter, Agnes, became Queen of Cyprus by her marriage to James I of Cyprus. Her granddaughter and namesake was Isabeau of Bavaria, queen of France by her marriage to Charles VI of France. Isabeau's children included: Isabella, Queen of England; Catherine, also queen of England; Michelle, duchess of Burgundy and Charles VII of France.