| Official Name: | Tanjung Balai Karimun |
| Settlement Type: | Town |
| Translit Lang1: | Other |
| Translit Lang1 Type1: | Jawi |
| Translit Lang1 Info1: | تنجوڠ بالاي-كريماون |
| Translit Lang1 Type2: | Chinese |
| Translit Lang1 Info2: | 丹戎巴來卡里汶 |
| Pushpin Map: | Indonesia_Sumatra#Indonesia |
| Pushpin Label Position: | bottom |
| Pushpin Label: | Tanjung Balai Karimun |
| Pushpin Map Caption: | Location in Sumatra and Indonesia |
| Coordinates: | 1°N 103.4217°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Riau Islands |
| Subdivision Type2: | Regency |
| Subdivision Name2: | Karimun Regency |
| Area Total Km2: | 17.73 |
| Population Total: | 48953 |
| Population As Of: | 2020 Census |
| Population Density Km2: | auto |
| Timezone: | Indonesia Western Time |
| Utc Offset: | +7 |
| Postal Code Type: | Postal code |
| Area Code Type: | Area code |
| Area Code: | (+62) 777 |
Tanjung Balai Karimun (Jawi:,) often abbreviated Tg. Balai, is the main town at the southern end of the Great Karimun Island (Pulau Karimunbesar), part of the Karimun Regency within the Riau Islands Province of Indonesia. It is often called Tanjung Balai Karimun to distinguish it from Tanjungbalai (city), situated in the Asahan Regency.
It has a port by the same name that has services to Sumatran port/city of Dumai, crossing the Strait of Malacca as well as to Singapore crossing the Straits of Singapore.
The city is served by Sei Bati Airport, which has regular flights to and from Pekanbaru three times weekly.
Tanjung Balai Karimun has a tropical rainforest climate (Af) with heavy rainfall year-round.