The 1981 season was the second in the National Soccer League for Blacktown City Football Club.

Blacktown City finished 15th in their National Soccer League season, and were eliminated in the first round of the NSL Cup.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

The list is sorted by squad number when total cards are equal.

The list is sorted by squad number when total clean sheets are equal.