Albert Pighius (Pigghe) (born at Kampen, Overyssel, Netherlands, about 1490; died at Utrecht, 26 December 1542) was a Dutch Roman Catholic theologian, mathematician, and astronomer.
Pighius completed his studies at Cologne, but it is not clear whether he received the degree of Doctor of Theology.
Among his writings the following belong to the sphere of his mathematical/astronomical studies: As a theologian he defended the authority of the Catholic Church against the Reformers.
His most important theological work is a rejoinder to Henry VIII of England titled "Hierarchiæ ecclesiasticæ assertio" (Cologne, 1538, dedicated to Paul III; later editions, 1544, 1558, 1572).
[1] Pighius also wrote: Other theological works were: A treatise "Adversus Græcorum errores", dedicated to Clement VII, is preserved in manuscript in the Vatican Library.