Rudolf Ungern (1876-1942?) –  chief  producer of the Riga Russian theatre.  >>

Eugene Upmanis (1955-2016) – architect,  Chairperson of the Committee of Latvian  Fraternal cemetries, philistr of Russian students corporation «Fraternitas Arctica». >>

Yuri Urzhumcev (1929-2002) –  Doctor of Technical Sciences, a specialist in the field of physics and mechanics of polymers, correspondent-member of Latvian Academy of Sciences (1973). >>

Nil Ushakov (1976)  – Latvian politician, the first Russian mayor of Riga  from 2009 till 2019. Member of the European Parliament since 2019. Journalist. >>

Valery Ushakov (1940-2014) – Habilitated Doctor of Engineering (Dr. habil. sc. ing.), Professor, a specialist on the field of aviation.>Rector of the Riga Institute of Civil Aviation Engineers from 2988 to 1990.  >>

Lidia Ustinova (1955) – a sworn advocate. >>

Viktor Ustinov (1950) – a sworn advocate. >>

Valentin Utkin (1904–1995)  – a composer and musicologist. >>

Vladimir Utkin (1932-1994)  – a surgeon-pulmanologist, Habilitated Doctor of Medicine (Dr. habil. med.), correspondent-member of Latvian Academy of Sciences. >>

Nikolay Uvarov (1941-2019) – a painter. >>