| Šakiai District Municipality | |
| Native Name: | Šakių rajono savivaldybė |
| Native Name Lang: | lt |
| Settlement Type: | Municipality |
| Image Map1: | SakiuSen.png |
| Map Caption1: | Map of Šakiai district municipality |
| Subdivision Type: | Country |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | Ethnographic region |
| Subdivision Name1: | Suvalkija |
| Subdivision Type2: | County |
| Subdivision Name2: | Marijampolė County |
| Parts Style: | para |
| Parts Type: | Elderships |
| P1: | 14 |
| Seat Type: | Capital |
| Seat: | Šakiai |
| Unit Pref: | Metric |
| Area Total Km2: | 1453 |
| Area Rank: | 17th |
| Population Total: | 26,931 |
| Population As Of: | 2021[1] |
| Population Rank: | 29th |
| Population Density Km2: | auto |
| Population Density Rank: | 39-40th |
| Timezone1: | EET |
| Utc Offset1: | +2 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +3 |
| Area Code Type: | Telephone code |
| Area Code: | 345 |
| Blank Name Sec1: | Major settlements |
Šakiai District Municipality is one of 60 municipalities in Lithuania.