| Sport | Baseball |
|---|---|
| Founded | 1899 |
| No. of teams | 8 |
| Country |  Australia |
| Most recent champion(s) | 1st Grade Premiers: Blacktown Workers Club Championship: Blacktown Workers |
| Most titles | 1st Grade Premierships: Canterbury Bankstown Vikings(9) Club Championships: Baulkham Hills (13) |
| Related competitions | Australian Baseball League Sydney Winter Baseball League |
| Official website | NSW State Baseball League |
The NSW State Baseball League (previously known as the New South Wales Major League) is the highest amateur level of play for the sport of baseball in New South Wales. The league is currently composed of 8 baseball clubs from Sydney. The current 1st Grade Champions are the Blacktown Workers, and the current Club Champions are also the Blacktown Workers.