The North Yorkshire and South Durham Cricket League, commonly abbreviated to NYSD, is the top-level competition for recreational club cricket in the north of Yorkshire and south of Durham, England.

The league was founded as long ago as 1892, the first competition was held in the following year.

The league chose to play an official, if shortened, competition after most ECB Premier Leagues formally cancelled the 2020 season due to the COVID-19 pandemic.

It is a successful league in the country, in national inter-league competitive cricket, having won the LCC National inter-league competition (latterly known as the Presidents Trophy) on no fewer than 12 occasions.

The League hold the record for the longest sequence of consecutive titles (7 from 1988 to 1994) and the longest sequence of consecutive victories (36).