Ryan Dinwiddie is an American professional football coach and former player who is the head coach of the Toronto Argonauts of the CFL. He played as a quarterback in the CFL for the Winnipeg Blue Bombers and Saskatchewan Roughriders. He is a three-time Grey Cup champion after winning with the Calgary Stampeders as an assistant coach in 2018 and with the Argonauts as the head coach in 2022 and 2024.