B
- Helmuts Balderis (1952) – ice hockey player, forward
- Jānis Balodis (1881–1965) – army officer and politician
- Jānis Balodis (1950) – Latvian/Australian playwright
- Kārlis Balodis (1864–1931) – notable economist, financist, statistician and demographist
- Krišjānis Barons (1835–1923) – "the father of Latvian folk songs", who compiled and edited the first publication of Latvian folk-song texts "Latvju Dainas" (1894–1915)
- Mihails Barišņikovs (1948) – ballet-dancer
- Kārlis Baumanis (1835–1905) – composer, author of the national anthem of the Republic of Latvia "Dievs, svētī Latviju!" (God bless Latvia!)
- Vizma Belševica (1931–2005) – author, candidate for Nobel Prize in Literature
- Eduards Berklavs (1914–2004) – politician, leader of Latvian national-communists
- Krišjānis Berķis (1884–1942) – general
- Isaiah Berlin (1909–1997) – philosopher
- Eduard Berzin (1894–1938) – soldier in the Red Army, later Head of Dalstroy, the Kolyma forced-labour camps in North-Eastern Siberia
- Karlis Betinš (1867–1943) – chess player
- Andris Biedriņš (1986) – basketball player
- Gunnar Birkerts (1925) – architect
- Miervaldis Birze (1921–2000) – writer
- Ernests Blanks (1894–1972) – Latvian publicist, writer, historian, the first to publicly advocate for Latvia's independence
- Rūdolfs Blaumanis (1863–1908) – writer and playwright
- Himans Blūms (1913–2009) – painter
- Ārons Bogoļubovs (1938) – Olympic medalist judoka
- Baiba Broka (1973) – actress
- Erika Burkevičs-Arrau (1909–1997) – opera singer
- Inguna Butane – fashion model
Read more about this topic: List Of Latvians