Emanuel "Manny" Viveiros (born January 8, 1966) is a Canadian-Austrian professional ice hockey coach and former player.

He is currently the head coach of the Vancouver Giants of the Western Hockey League (WHL), and formerly served as head coach of the Spokane Chiefs and Swift Current Broncos of the WHL, the Henderson Silver Knights of the American Hockey League (AHL), Klagenfurt AC of the Erste Bank Eishockey Liga (EBEL), and ERC Ingolstadt of the Deutsche Eishockey Liga (DEL), as well as an assistant coach for the Edmonton Oilers of the National Hockey League (NHL).

However, after a disappointing 2011-12 season Viveiros was removed from his position as head coach, but then was named sports director of the club.

[3] In 2014, he joined the coaching staff of German team ERC Ingolstadt as an assistant, working under Larry Huras.

[8] After three seasons coaching Henderson, with just one playoff berth, Viveiros and the organization mutually parted ways on April 19, 2023.