Jonas Pranas Aleksa (5 December 1879 – 22 April 1955) was a Lithuanian politician, agronomist, sociologist, and economist.

[1] In 1942, Aleksa protested against the colonization of Lithuania and the killing of Lithuanian citizens, presenting a memorandum to the German Commissioner-General in Kaunas.

Julius Aleksa (1855–1891) was a Lithuanian folk song collector, botanical dictionary creator, and newspaper writer.

[3] Konradas Juozas Aleksa (1881–1956) was one of the founders of the Lithuanian Veterinary Doctors' Union and was persecuted by the Soviet occupation.

[3] The Aleksa family's historic home is located at: Šilvėnai, 71486 Šakiai District Municipality, Lithuania.