| Official Name: | Šimkaičiai |
| Settlement Type: | Town |
| Pushpin Map: | Lithuania Jurbarkas District Municipality |
| Pushpin Image: | Simkaiciu seniunija (Jurbarko rajono zemelapis).png |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Jurbarkas district municipality |
| Coordinates: | 55.2333°N 23°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | County |
| Subdivision Name1: | Tauragės |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Jurbarkas |
| Subdivision Type4: | Eldership |
| Population Total: | 204 |
| Population As Of: | 2011 Census |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Šimkaičiai (Samogitian: Šėmkātē, pl|Szymkajcie) is a town in Jurbarkas district municipality, Taurage County, Lithuania. According to the 2001 census, the town had a population of 265 people.[1] At the 2011 census, the population was 204.[2]
Before World War II the town had a Jewish population. In July, 1941, they were murdered by the Einsatzgruppen and their Lithuanian collaborators.[3]