The 1970–71 Shell Shield season was the fifth edition of what is now the Regional Four Day Competition, the domestic first-class cricket competition for the countries of the West Indies Cricket Board (WICB).

The tournament was sponsored by Royal Dutch Shell, with matches played from 22 January to 23 April 1971.

Five teams contested the competition – Barbados, the Combined Islands, Guyana, Jamaica, and Trinidad and Tobago.

Trinidadian batsman Joey Carew led the tournament in runs for a second consecutive season, while Jamaican fast bowler Uton Dowe was the leading wicket-taker.

The top five run-scorers are included in this table, listed by runs scored and then by batting average.