Sant'Ivo alla Sapienza is a Roman Catholic church in Rome. Built in 1642–1660 by the architect Francesco Borromini, the church is widely regarded a masterpiece of Roman Baroque architecture.

Francesco Borromini, byname of Francesco Castelli, was an Italian architect born in the modern Swiss canton of Ticino who, with his contemporaries Gian Lorenzo Bernini and Pietro da Cortona, was a leading figure in the emergence of Roman Baroque architecture.