Ross Barry Keenan (born 21 October 1943) is a New Zealand businessperson. His early career was in the airline industry in New Zealand, Australia and the United States. Since the 1990s, he has been a company director, professional board member, and chairperson of a variety of private and public companies, and for the public sector. Significant roles include the chairmanship of Counties Manukau District Health Board (2001–2004), the parallel deputy-chairmanship of the three district health boards in the Auckland region (2004–2007), and chairmanship of Ngāi Tahu Holdings (2006–2015). Keenan is the current chairman of New Zealand's largest group of recruitment agencies, AWF Madison, and has chaired one of the constituent companies since 2005.