Ekaterina Novikova (1975) – a ballerina, choreographer and rehearsal teacher. From 2000 to 2010, she was a soloist with the Latvian National Opera. >>

Olga Novikevich (1959–2007) – a journalist. >>

Juri Novoselov (1873–1955)  –  a teacher, ethnograph and photographer. >>

Ludmila Nuknevich (1945) – a journalist, literary editor, translator from Latvian. >>

Sergey Nurenberg (1864–1933) – a journalist, public figure, official. >>

Georgy Obushev (1929–2020) – Doctor of Engineering Sciences (Dr. sc. ing.), Associate Professor of the Faculty of Electricity of the Riga Technical University. >>

Pyotr Odintsov (1891–1968) – a Full Member of  Latvian  Academy of Sciences, an authority in chemical technology of wood material. >>

Irina Odoyevtseva (1895–1990) – a poet and author of memoirs. Born in Riga into the family of lawyer Gustav Heinike. >>

Alexander Ogurtsov (1939–2017) – a lawyer for defence. >>

Vasily Oknov (1830–1894) – Russian Orthodox priest, archpriest, translator and publisher of liturgical books, including in Latvian. >>