| Administrator: | Test and County Cricket Board |
| Cricket Format: | Limited overs cricket(60 overs per innings) |
| Tournament Format: | Knockout |
| Champions: | Middlesex |
| Count: | 3 |
| Participants: | 32 |
| Matches: | 31 |
| Most Runs: | 396 Alvin Kallicharran (Warwickshire) |
| Most Wickets: | 11 Wayne Daniel (Middlesex) |
| Previous Year: | 1983 |
| Previous Tournament: | 1983 NatWest Trophy |
| Next Year: | 1985 |
| Next Tournament: | 1985 NatWest Trophy |
The 1984 NatWest Trophy was an English limited overs county cricket tournament which was held between 4 July and 1 September 1984.[1] The fourth NatWest Trophy tournament, it was won by Middlesex who defeated Kent by 4 wickets in the final at Lord's.
The seventeen first-class counties were joined by thirteen Minor Counties: Berkshire, Buckinghamshire, Cumberland, Devon, Durham, Hertfordshire, Norfolk, Northumberland, Oxfordshire, Shropshire, Staffordshire, Suffolk and Wiltshire. The Ireland and Scotland teams also participated. Teams who won in the first round progressed to the second round. The winners in the second round then progressed to the quarter-final stage. Winners from the quarter-finals then progressed to the semi-finals from which the winners then went on to the final at Lord's which was held on 1 September 1984.
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