Bartolt Carolus
- First Name (LAT): Carolus
- Last Name (PL): Bartołt
- First Name (PL): Karol
- Last Name (other forms): Barthold
- Born (year): 1680
- Born (place, EN/modern local): Ciechanów
- Died (year): 1745
- Died (place, EN/modern local): Vilnius
- Source 1: Festum ecce primae classis, Vilnae, 1719
- Source 2: Imagines principum, regumque Poloniae politicis dogmatibus, phalerisque, poetarum adumbratae, Brunsbergae 1721 (VUB, F 3–1239), Brunsbergae 1727, Varsaviae 1731, 1740 (Varsaviae 1740: https://jbc.bj.uj.edu.pl/dlibra/publication/410210/edition/420859/content?ref=desc)
- Research 1: Estreicher
- Last Name (LAT): Bartolt
- Important places (EN/modern local): Vilnius, Pułtusk, Płock, Warszawa, Pińsk
- First letter of last name: a