Krośniewicz Baltazar
- First Name (LAT): Balthasar
- Last Name (PL): Krosniewicz
- First Name (PL): Baltazar
- Last Name (other forms): Krosniewicki Krosnowiczki Krosnowski Krośniewicki
- Born (year): zm. 1624
- Source 1: In octo libros Politicos Aristotelis Introductio, Norimbergae 1603
- Research 1: Andrzej Węgierski, Libri quattuor Slavoniae reformatae, Varsoviae, 1973.
- Last Name (LAT): Crosnievicius
- Important places (EN/modern local): Vilnius, Heidelberg, Basel.
- Relevance for project (low 1 - 5 high): 5
- First letter of last name: k