The term "wife" traditionally refers to a woman who is married to a man. So, if a man is married, he typically has a wife. However, it's important to note that the concept of marriage and relationships has evolved over time, and different cultures and societies have different ways of defining and understanding marital relationships.
In many modern societies, marriage is no longer strictly limited to opposite-sex couples, and same-sex marriages are recognized and legally accepted in an increasing number of countries. In such cases, a man may have a husband instead of a wife if he is in a same-sex marriage.
It's also important to acknowledge that not all individuals choose to marry, and some may prefer other types of committed relationships or remain single. Ultimately, the terminology used to describe relationships should be respectful and inclusive of diverse identities and experiences.