TS or Ts may refer to:
A tsunami ( (t)soo-NAH-mee, (t)suu-; from Japanese: 津波, lit. 'harbour wave', pronounced [tsɯnami]) or tidal wave is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake.
Tsinghua University (abbreviated THU; Chinese: 清华大学; also romanized as Qinghua) is a major research university in Beijing, and a member of the C9 League of Chinese universities.
Tsetse ( SEET-see, US: TSEET-see or UK: TSET-see), sometimes spelled tzetze and also known as tik-tik flies, are large biting flies that inhabit much of tropical Africa.
Tsukihime (Japanese: 月姫, lit. "Lunar Princess") is a Japanese adult dōjin visual novel created by Type-Moon, who first released it at the Winter Comiket in December 2000. A remake to the visual novel is also currently being planned.
Turn- und Sportverein München von 1860, commonly known as TSV 1860 München (German pronunciation: [teː ʔɛs faʊ ˈʔaxtseːnˈhʊndɐt ˈzɛçtsɪç ˈmʏnçn̩]) or 1860 Munich, is a Turnverein based in Munich.