Waqas Khan is the Youngest Player in all of the T20 World Cups, as he made his T20 World Cup debut for Hong Kong at the age of 16.
| Player | Team | Age* | DOB |
| Waqas Khan | Hong Kong | 16 | 10 March 1999 |
| Piyush Chawla | India | 19 | 24 December 1988 |
| Mark Watt | Scotland | 19 | 29 July 1996 |
| Umar Akmal | Pakistan | 19 | 26 May 1990 |
| Kagiso Rabada | South Africa | 20 | 25 May 1995 |
| Rohit Sharma | India | 20 | 30 April 1987 |
| Steve Smith | Australia | 20 | 2 June 1989 |
| Mustafizur Rahman | Bangladesh | 20 | 6 September 1995 |
| Tim Southee | New Zealand | 21 | 11 December 1988 |
| Mohammad Nawaz | Pakistan | 21 | 21 March 1994 |
| Ravindra Jadeja | India | 21 | 6 December 1988 |
| Dinesh Chandimal | Sri Lanka | 21 | 18 November 1989 |
*- Age at which they played their first-ever T20 World Cup Match.
