Jaime José Fillol Durán (born 3 June 1946), known professionally as Jaime Fillol Sr., is a retired professional tennis player from Chile, who played in the 1960s, 1970s and 1980s.

Fillol is also a member of the University of Miami "Hall of Fame" where he graduated in 1969.

He competed at the 1973 Davis Cup with Patricio Cornejo where he played the longest Davis Cup rubber in terms of games, eventually losing to Americans Stan Smith and Erik van Dillen, winning the first set 9–7, the next 39–37,[1] but lost the next three sets, 6–8, 1–6, 3–6 in the 1973 American Zone Final.

He is the older brother of tennis player Álvaro Fillol,[2] father of Jaime Fillol Jr., and the grandfather of tennis player Nicolás Jarry.

Fillol, who currently works at a Chilean university, coached Jarry as the United Cup captain for Chile in 2024.