The Onslow Cricket Club commenced existence in time for the 1930-31 season, cricket in Khandallah having previously been played under the Khandallah Boys Club banner. The driving force behind the Club's development was Major F C Gentry and his three sons were prominent in the first years.

Our home ground is Nairnville in Khandallah Park which is right in the heart of the city's Western Suburbs.

The Onslow Cricket Club has a proud history of championships throughout the grades as well as developing a number of New Zealand and Wellington representatives.

Onslow has won the Club Championship in the following seasons:

- 1953-54
- 1956-57
- 1957-58
- 1966-67
- 1977-78
- 1990-91
- 1991-92