| NIFL Women's Premiership League Cup | |
| Year: | 2023 |
| Country: | Northern Ireland |
| Dates: | 14 June 2023 – 31 August 2023 |
| Num Teams: | 10 |
| Winners: | Cliftonville Ladies |
| Prev Season: | 2022 |
| Next Season: | 2024 |
The Preliminary round of the Women's Premiership League Cup included the five teams not participating in the Avenir Sports All-Island Cup competition and took place on 14 and 16 June.
The five participating All-Island Cup teams entered at the quarter-final stage the following week.
Bye for Mid-Ulster Ladies.