| Relizane Province | |
| Native Name: | ولاية غليزان |
| Native Name Lang: | ar |
| Type: | Province |
| Map Caption1: | Map of the 13 districts of Relizane |
| Coordinates: | 35.7333°N 33°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Seat Type: | Capital |
| Seat: | Relizane |
| Leader Title: | PPA president |
| Leader Name: | Mr. Benaouda Bettayeb (RND) |
| Leader Title1: | Wāli |
| Leader Name1: | Mr. Boukarabila Djelloul |
| Unit Pref: | Metric |
| Area Total Km2: | 4870 |
| Population Footnotes: | [1] |
| Population Total: | 733060 |
| Population As Of: | 2008 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01 |
| Iso Code: | DZ-48 |
| Area Code Type: | Area Code |
| Area Code: | +213 (0) 46 |
| Blank Name Sec1: | Districts |
| Blank Info Sec1: | 13 |
| Blank1 Name Sec1: | Municipalities |
| Blank1 Info Sec1: | 38 |
Relizane (ar|ولاية غليزان) is a province (wilaya) of Algeria. Relizane is the capital. Other localities include Bendaoud, Bouzegza, Hamri, Kalaa, Mazouna and Zemmoura. The Wilaya of Relizane massacres of 4 January 1998 happened in Relizane.
The province was created from Mostaganem Province in 1984.
The province is divided into 13 districts (daïras), which are further divided into 38 communes or municipalities.