Wilhelm Frölich (c. 1504 – 4 December 1562) was a Swiss mercenary commander who served the French Crown during the Italian Wars.
[1] Frölich won fame as commander of the Swiss mercenaries at the Battle of Ceresole in 1544.
[1] That same year, he acquired the bourgeoisie of Solothurn, after he was stripped of his rights as a bourgeois of Zürich due to his mercenary activity.
[1] Frölich married Anna Rahn, the daughter of an influential Zürich family, in 1545.
[1] Their two sons, who went on to become captains in French service, were killed at the Battle of Die (1575) during the Fifth War of Religion.