The initials TNK may refer to:
- Tenecteplase (TNK) - an enzyme used as a thrombolytic drug
- TNK-BP Ltd. - a Russian oil company
- The Japanese animation studio TNK
- TNK - a Turkish band
- The Beatles song Tomorrow Never Knows
- TN Krishnan, Indian violinist
- Tanakh - the Hebrew Bible
- Tin King stop - a Light Rail stop in Hong Kong
This disambiguation page lists articles associated with the title TNK.
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