Count Sebastian Lubomirski (Template:Circa 1546<ref>Template:Cite book</ref> – 20 July 1613<ref>Template:Cite book</ref>) was a Polish–Lithuanian nobleman (szlachcic).
He was owner of Wiśnicz<ref>Template:Cite book</ref> and Siercza. He was Żupnik of Kraków in 1581–1592,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> burgrave of Kraków since 1584, castellan of Małogoszcz since 1591, Biecz since 1598,<ref>Template:Cite book</ref> Wojnicz since 1603 and starost of Sandomierz, Sącz and of Spisz.
Lubomirski had two consorts, Anna Branicka<ref>Template:Cite book</ref> and Anna Pieniążek. He had six children with Branicka: Stanisław Lubomirski, Joachim Lubomirski, Katarzyna Lubomirska, Zofia Lubomirska, Barbara Lubomirska and Krystyna Lubomirska.