Taiwan Sugar Corporation (TSC; Chinese: 台灣糖業股份有限公司; Pe̍h-ōe-jī: Tâi-oân Thn̂g-gia̍p Kó͘-hūn Iú-hān Kong-si; pinyin: Táiwān Tángyè Gōngsī) or Taisugar (Chinese: 台糖; Pe̍h-ōe-jī: Tâi-thn̂g; pinyin: Táitáng) is a state-run enterprise of Taiwan, with headquarters in Tainan City.

[citation needed] Taiwan's sugar trade, which flourished for almost 400 years, is now a sunset industry.

The Taiwan Sugar Corporation has diversified its business into tourism, floriculture, biotechnology, and retailing.

It also operates a chain of gas stations and invests in Taiwan High Speed Rail.

In 2020 Taiwan Sugar Corporation announced plans to close its largest pig farm in Vietnam and instead invest NT$10.7 billion (US$369 million) in remodeling and improving their pig farms in Taiwan.