Joseph Roy

• Joseph Roy , businessman and politician in Lower Canada
• Joseph-Edmond Roy, Quebec notary, editor and politician
• Joseph Alfred Ernest Roy, Quebec lawyer and member of the Canadian House of Commons
• Joseph Sasseville Roy, Quebec businessman and member of the Canadian House of Commons
• Joseph-Aurélien Roy, Quebec businessman and member of the Canadian House of Commons and Quebec Assembly
• Joseph Roy , bishop of the Roman Catholic Diocese of Mysore
• Joseph Raymond Roy, former Canadian ambassador to Afghanistan