Claudio Daniel Stern (born 9 February 1954 Montevideo, Uruguay) is a Uruguayan biologist currently working at University College London (UCL).

Stern received his primary (Escuela Evaristo Ciganda) and secondary (Liceo Suarez and Lycée Français) education in Montevideo, Uruguay, and started to study Medicine in 1971.

In 1972 he moved to the United Kingdom and took a BSc (Hons) in Biological Sciences at the University of Sussex, where he remained for his PhD (1978), under the supervision of Brian Goodwin.

He then moved to the Department of Anatomy and Developmental Biology at University College London for postdoctoral training with Ruth Bellairs, a noted embryologist.

Among many activities he is currently a member of Scientific Council of Institut Pasteur in Paris (since 2012)[3] and was President of the International Society of Developmental Biologists (ISDB) from January 2010 to December 2013.