The three are among 34 people named as officers of the order, the second-highest grade.
Hawkins' appointment is honorary because although he has lived in Canada for five decades, he remains an American citizen.
Others named as officers include Olympic rower Marnie McBean. She won a pair of gold medals in Barcelona in 1992 and added a third in Atlanta in 1996.
Toronto filmmaker Deepa Mehta was appointed an officer for her contributions as a groundbreaking screenwriter, director and producer.
Queen's University biology professor John Smol is being honoured for his work on lake ecosystems.
Quebec actress and singer Carole Laure is another new officer.
The 40 new members of the order include Rene Angelil, husband and manager of Celine Dion.
Ottawa Rabbi Reuven Bulka, a regular participant at the national Remembrance Day ceremonies, was also named a member.
Ottawa law professor Nathalie Des Rosiers, the general counsel of the Canadian Civil Liberties Association, joins as a member.
Two veteran political operatives, Liberal Eddie Goldenberg and Conservative Jodi White, were also named as members of the order.
Clare Drake, who coached University of Alberta hockey teams to a slew of titles, is also a new member.
Retired admiral Larry Murray, who served briefly as acting chief of the defence staff and then became a senior public servant, is another member.
The recipients will be formally invested with their insignia at a later date.
The full list of appointments is at www.gg.ca/document.aspx?id=14940.Suggest a correction