TB or Tb may refer to:
Tbilisi (English /tᵻˈbiːlᵻsi/; Georgian: თბილისი [tʰˈbiliˌsi]), commonly known by its former name Tiflis (English /tᵻˈfliːs/ or /ˈtɪflᵻs/), is the capital and the largest city of Georgia, lying on the banks of the Kura River with a population of roughly 1.5 million inhabitants.
Turner Broadcasting System (TBS) is an American basic cable and satellite television channel that is owned by the Turner Broadcasting System division of Time Warner, which shares its name with the channel.
Ivane Javakhishvili Tbilisi State University (Georgian: ივანე ჯავახიშვილის სახელობის თბილისის სახელმწიფო უნივერსიტეტი Ivane Javaxishvilis saxelobis Tbilisis saxelmts'ipo universit'et'i, often shortened to its historical name, Tbilisi State University or TSU), is a university established on 8 February 1918 in Tbilisi, Georgia.
T-box, brain, 1 is a transcription factor protein important in vertebrate embryo development. It is encoded by the TBR1 gene.
Shota Rustaveli Tbilisi International Airport (Georgian: თბილისის შოთა რუსთაველის სახელობის საერთაშორისო აეროპორტი) (IATA: TBS, ICAO: UGTB) formerly Novo Alexeyevka International Airport, is the main international airport in Georgia, located 17 km (11 mi) southeast of the capital Tbilisi.
TBD (also referred to unofficially as TBD-TV) is an American digital broadcast television network that is owned by the Sinclair Television Group subsidiary of the Sinclair Broadcast Group.
Tbilisi Teaching University Gorgasali is a top-ranked multidisciplinary University in Georgia. Its two main campuses are located in Georgia's capital Tbilisi and Kerkrade, the Netherlands.
TBWA Worldwide is an international advertising agency whose main headquarters are in Midtown Manhattan, New York City, United States.
Tbilisi Open Air is an annual international music festival, with the emphasis on electronic and rock music, first held in Tbilisi, Georgia, on 15–17 May 2009. After that the festival is organized each year and is widely considered as the biggest music festival in Caucasus region.