Mildred Muis

{{Short description|Dutch swimmer (born 1968)}}

{{Infobox swimmer

| birth_date = {{Birth date and age|1968|07|28|df=yes}}

| birth_place = Amsterdam, Netherlands

| national_team = Netherlands

| show-medals = yes

| medaltemplates =

{{MedalSport | Women's swimming}}

{{MedalCountry | the {{NED}} }}

{{MedalCompetition|Olympic Games}}

{{MedalSilver| 1988 Seoul | 4×100 m freestyle}}

{{MedalCompetition|World Championships}}

{{MedalSilver| 1991 Perth | 4×200 m freestyle}}

{{MedalBronze| 1986 Madrid | 4×200 m freestyle}}

{{MedalBronze| 1991 Perth | 4×100 m freestyle}}

{{MedalCompetition|European Championships (LC)}}

{{MedalSilver| 1985 Sofia | 4×200 m freestyle}}

{{MedalSilver| 1987 Strasbourg | 4×100 m freestyle}}

{{MedalSilver| 1989 Bonn | 4×100 m freestyle}}

{{MedalSilver| 1989 Bonn | 4×200 m freestyle}}

{{MedalBronze| 1989 Bonn | 200 m medley}}

{{MedalCompetition|Summer Universiade}}

{{MedalSilver | 1987 Zagreb | 200 m medley}}

{{MedalBronze | 1987 Zagreb | 100 m freestyle}}

}}

Mildred Muis (born 28 July 1968 in Amsterdam) is a former medley and freestyle swimmer from the Netherlands, who competed in two consecutive Summer Olympics for her native country, starting in 1988. There she won the silver medal with the Dutch women's 4×100 m freestyle relay team, behind East Germany. Her twin sister and three-time Olympian Marianne was on the same silver winning team.