The list of fastest to reach 400 wickets is dominated by Pakistan and Sri Lankan bowlers. Waqar Younis leads the pack by reaching this feat in just 252 innings.
| Sl No | Player | Time | Mat | Country |
| 1 | Waqar Younis | 13y 55d | 252 | Pakistan |
| 2 | M Muralitharan | 12y 165d | 263 | Sri Lanka |
| 3 | Wasim Akram | 15y 57d | 285 | Pakistan |
| 4 | Chaminda Vaas | 14y 194d | 322 | Sri Lanka |
*Updated on 19 August 2019
