Nina Ingela Maria Cromnier (born 14 October 1966)[citation needed] is a Swedish chemical engineer and economist.

[1] She graduated from KTH Royal Institute of Technology, and from Stockholm School of Economics.

[citation needed] In the early 1990s, she worked at the Waste Research Council and the Environmental Protection Agency.

[2] In 2016, she criticized the European Commission's proposal for scientific criteria to identify and ban endocrine-disrupting substances.

[6] In 2022, she did not see reasons for radiation protection measures in Sweden, in spite of the 2022 Russian invasion of Ukraine.