Eric Harold Mansfield (24 May 1923 – 20 October 2016) was an aeronautical engineer who won the Royal Medal in 1994, "for his many fundamental and analytical contributions to our knowledge of advanced aeronautical structures, and more recently to the biological sciences.

This was followed by six years as visiting professor at Surrey University where he took as interest in biological and other aspects of surface tension.

He was also a founder member of the Institute of Mathematics and its Applications, and the Royal Academy of Engineering.

He was also a Member of the General Assembly of the International Union of Theoretical and Applied Mechanics.

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