| Sissa | |
| Coordinates: | 44.9667°N 26°W |
| Region: | Emilia-Romagna |
| Province: | Parma (PR) |
| Frazioni: | Borghetta, Borgonovo, Casalfoschino, Coltaro, Gramignazzo, Palasone, San Nazzaro, Torricella |
| Mayor: | Grazia Cavanna |
| Area Total Km2: | 42.9 |
| Population Footnotes: | [1] |
| Population Total: | 4286 |
| Population As Of: | 30 June 2009 |
| Population Demonym: | Sissesi |
| Saint: | St. James |
| Day: | 7 April |
| Postal Code: | 43018 |
| Area Code: | 0521 |
Sissa is a town in the Italian region of Emilia-Romagna. Administratively, it is a frazione of the comune of Sissa Trecasali in the Province of Parma. It was an independent comune until it was merged in 2014 with Trecasali to form Sissa Trecasali. It is located about 100km (100miles) northwest of Bologna and about 20km (10miles) northwest of Parma.
Sissa borders the following municipalities: Colorno, Gussola, Martignana di Po, Roccabianca, San Secondo Parmense, Torricella del Pizzo, Torrile, Trecasali. The town is home to a Pork carnival in November, known as the Sapori del Maiale.