Frants Turonok (1944) –  Doctor of Engineering (Dr. sc. ing.), a Head of the Chair of Engineering Machinery of the Riga Technical University.  >>

Ivan Tutyshkin (1876-1939) – a teacher and psychologist, director of the Rezekne Goverment Russian Gymnasium from 1930 to 1939. >>

Jonah Tuzov (1828/1831–1900, Riga, Russian Empire) – a merchant, public figure, honorary trustee of the Grebenshchikov Old Believer School. >>

Yuri Tynyanov (1894-1943) – an outstanding pushkinist. >>

Nikolay Tyunin (1940–2021) – Doctor of Technical Sciences, a specialist in experimental aerodynamics. >>

Vladimir Tyunin (1934) – a specialist in the fields of metals, Doctor of Engineering (Dr. sc. ing.). >>

Erika Tyunina (1936) – Doctor of Engineering (Dr. sc. ing.), a specialist in the fields of physics and machanics of polymers. From 1987 to 2006 scientific secretary of the Department of physics an technical sciences of Latvian Acasemy os Sciences. >>

Pavel Tyurin (1943) – an artist, Doctor of psychology (Dr. psych.). >>

Galina Udodova (1953) –  a winner of the Cup of the World (1977) and the World Champion of acrobatics (1978). >>

Anatoly Ugryumov (1872-1929) –  a graduate of Alexander Military Law Academy, privat-docent of the University of Latvia  from 1923 to 1929. >>