2016–17 Regional Four Day Competition

The 2016–17 Regional Four Day Competition is the 51st edition of the Regional Four Day Competition, the domestic first-class cricket competition for the countries of the West Indies Cricket Board (WICB). The competition is running from 11 November 2016 to 18 April 2017. The WCIB have re-introduced day/night fixtures into the competition with six matches being played as such.

Six teams are contesting the tournament – Barbados, Guyana, Jamaica, the Leeward Islands, Trinidad and Tobago, and the Windward Islands.