Chetan Sharma became the first Indian bowler to take a hat-trick in ODIs, dismissing Ken Rutherford, Ian Smith and Ewen Chatfield in the 1987 Cricket World Cup.
Chetan Sharma
On June 11, 1999, Saqlain Mushtaq of Pakistan became only the second bowler in Cricket World Cup history to claim a hat-trick.
Saqlain Mushtaq
Brett Lee took a hat-trick for Australia against Kenya in 2003, dismissing Kennedy Otieno, Brijal Patel, and David Obuya
Brett Lee
In the 2003 World Cup, Sri Lanka's Chaminda Vaas took a hat-trick in the first over against Bangladesh, dismissing Hannan Sarkar, Mohammad Ashraful, and Ehsanul Haque.
Chaminda Vaas
Lasith Malinga became the first bowler to take four wickets in four balls in a Cricket World Cup match when he dismissed Shaun Pollock, Andrew Hall, Jacques Kallis, and Makhaya Ntini for Sri Lanka against South Africa in 2007.
Lasith Malinga
Watch: Wasim Akram praises Rohit Sharma’s batting heroics ahead of ODI World Cup final.