Jakob Frans Oskar Wasastjerna (1819–1889) was a 19th-century Finnish-Swedish historian and author.
Oskar Kokoschka | Oskar Schindler | Lee Oskar | Paul Oskar Kristeller | Oskar Sima | Oskar Pfister Award | Oskar Luts | Oskar Linnros | Oskar Kohnstamm | Oskar Fischinger | Oskar Eustis | Oskar von Miller | Oskar Vogt | Oskar Sosnowski | Oskar Seidlin | Oskar Schlemmer | Oskar Piotrowski | Oskar Homolka | Oskar Heil | Óskar Halldórsson | Oskar Barnack | Viktor Oskar Tilgner | Oskar von Watter | Oskar von Hutier | Oskar von Hindenburg | Oskar Skarsaune | Oskar Schmiedel | Oskar Sala | Oskar Rohr | Oskar R. Lange |