Clive Anthony Stace is a British botanist and botanical author. His academic career was based at the University of Leicester, where he held the post of Professor of Plant taxonomy. He is a past president of the Botanical Society of the British Isles

He has also been responsible for a number of notable publications relating to the vascular plant flora of Britain and Ireland:

• Hybridization and the flora of the British Isles
• New Flora of the British Isles
• Vice-county Census Catalogue of the Vascular Plants of Great Britain

He also wrote the student textbook Plant Taxonomy and Biosystematics.

Botanists