Alexandru "Dudu" Frim (March 9, 1908 – 1980s) was a Romanian bobsledder who competed in the 1930s. He won the gold medal in the two-man event at the 1934 FIBT World Championships. He also finished 15th in the two-man event at the 1936 Winter Olympics in Garmisch-Partenkirchen. Frim was also an accomplished aviator, earning his pilot license in 1931. Frim also won the Grand Prix of Sports Aviation and Cup of Brasov Aero-Club in 1939. Frim later participated in World War II as a pilot for Romania.