The position of the Minister of Fisheries in the United Kingdom, before it was abolished and merged into the Ministry of Agriculture, Fisheries and Food in 1971, was held by the last known officeholder, John Silkin. He served from 1969 until the position was integrated into the broader ministry in 1971.

For more details on related historical changes or political context, you can look into records of the Ministry of Agriculture, Fisheries and Food around that time.