Wisconsin Statutes & Annotations
Chapter 944 - Crimes against sexual morality.
944.16 - Adultery.

944.16 Adultery. Whoever does either of the following is guilty of a Class I felony:
(1) A married person who has sexual intercourse with a person not the married person's spouse; or
(2) A person who has sexual intercourse with a person who is married to another.
History: 1977 c. 173; 1993 a. 486; 2001 a. 109.