TIS

TIS may refer to:

• Taporoporo'anga Ipukarea Society, Cook Islands NGO
• Tauranga Intermediate School, New Zealand
• Tin Shui Wai Station, Hong Kong; MTR station code TIS
• Transparency International Slovakia, an anti-corruption non-governmental organization
• Travelers' Information Stations, providing information by radio to motorists
• Trusted Information Systems, former computer security research and development company
• Truth in sentencing, policies on criminal sentencing
• The International School of Macao, a Canadian international school in Taipa, Macao.
• Total Isotropic Sensitivity, is a measure of the average sensitivity of an antenna

Tis may refer to:

• ’Tis, a 1999 memoir by Frank McCourt which followed Angela's Ashes
• Tis, Iran