Pranciškus is a given name. Notable people with the name include:
Pranciškus Būčys (1872–1951), titular bishop of the Eastern Catholic Church Pranciškus Baltrus Šivickis (1882–1968), Lithuanian zoologist Pranciškus Smuglevičius, Polish-Lithuanian draughtsman and painter Pranciškus Tupikas (1929–2015), Lithuanian politician
See also Francis (given name)