Jim Lewis (born December 15, 1946) is a former collegiate and WNBA basketball coach. After completing assistant coaching positions during the 1970s, Lewis was the head coach of the South Lakes High School boys' basketball team in the early 1980s. In collegiate basketball, Lewis obtained 201 wins and 107 losses as the George Mason Patriots women's basketball head coach from 1984 to 1997. He then went to the WNBA as the first head coach of the Washington Mystics for the 1998 season. Between the 2000s and 2010s, Lewis held assistant coaching positions with the Minnesota Lynx, Indiana Fever and Los Angeles Sparks. During this time period, Lewis was the head coach for the Fordham Rams women's basketball team, T.C. Williams High School girls basketball team, and Georgetown Hoyas women's basketball team.