Soft tissue

TSU or Tsu may refer to:

TSU

• Taiwan Solidarity Union
• Tarleton State University
• Tartu State University (former name of University of Tartu)
• Tbilisi State University
• Texas Southern University
• Texas State University (The abbv. TSU is discouraged by the university)
• Tennessee State University
• The Sunshine Underground, an indie rock band from Leeds, England
• Time-sharing user (in mainframes)
• National Research Tomsk State University
• Trade Services Utility, a banking initiative for improving the financial supply chain
• Trans-Species Unlimited, a national animal rights group, co-founded by Giorgio P. Cave and Dana Stuchell
• Trinity Southwest University
• Tri-State University
• Truman State University
• Tula State University

Tsu

• Tsu, Mie, a Japanese city
• Tsu (kana), つ or ツ, one of the syllables of the Japanese hiragana and katakana syllabaries
• Tsū, considered a synonym of iki, a Japanese aesthetic ideal
• $t_{su}$, an abbreviation for setup time in digital electronics
• Irene Tsu (born 1945), actress, started in the film Flower Drum Song in 1961