Lesbian, gay, bisexual, and transgender (LGBT) people in the U.S. state of Wisconsin have many of the same rights and responsibilities as heterosexuals; however, the transgender community may face some legal issues not experienced by cisgender residents, due in part to discrimination based on gender identity not being included in Wisconsin's anti-discrimination laws, nor is it covered in the state's hate crime law. Same-sex marriage has been legal in Wisconsin since October 6, 2014, when the U.S. Supreme Court refused to consider an appeal in the case of Wolf v. Walker. Discrimination based on sexual orientation is banned statewide in Wisconsin, and sexual orientation is a protected class in the state's hate crime laws. It approved such protections in 1982, making it the first state in the United States to do so.
Wisconsin is also the first state to have elected an LGBT U.S. senator, Democrat Tammy Baldwin. As of 2021, polls have found that about two-thirds of Wisconsinites support same-sex marriage.