| L. Venkatakrishna Iyer | |
| Birth Place: | India |
| Death Place: | India |
| Occupation: | Civil engineer |
| Known For: | Polavaram Project |
| Awards: | Padma Bhushan |
L. Venkatakrishna Iyer was an Indian civil engineer and the Chief Engineer of the Public Works Department of the State of Tamil Nadu.[1] It was Iyer who did the survey and submitted the initial proposal for building a reservoir across Godavari River near Polavaram in 1941 which was later commissioned as Polavaram Project.[2] An alumnus of the Town Higher Secondary School, Kumbakonam,[3] he was among the few who assisted Chinnaswami Rajam in founding Madras Institute of Technology (MIT) and sat on the core committee which oversaw the establishment of the institution.[4] The Government of India awarded him the third highest civilian honour of the Padma Bhushan, in 1961, for his contributions to society.[5]