| Ian Crampton Baker | |
| Birth Date: | 23 May 1923 |
| Birth Place: | Westcliffe-on-Sea, England |
| Education: | Mill Hill School Aberystwyth University |
| Alma Mater: | Architectural Association School of Architecture |
| Occupation: | Architect |
Ian Crampton Baker (23 May 1923 – 11 May 2010) was a British architect, best known for Rutherford School, Paddington, and the National Motor Museum, Beaulieu, both of which he co-designed with Leonard Manasseh. He was born in Westcliffe-on-Sea and was educated at Mill Hill School, Aberystwyth University, and Architectural Association School of Architecture.[1]