Nelson Luiz Sperle Teich (born 24 July 1957) is a Brazilian oncologist, health consultant and entrepreneur who briefly served as Minister of Health of Brazil, from 17 April 2020 after being appointed by President Jair Bolsonaro to replace outgoing Minister Luiz Henrique Mandetta, to his resignation on 15 May 2020 after nearly a month at the helm.

He completed his medical residency at the Ipanema Hospital (1987) and studied clinical oncology at the Instituto Nacional de Câncer [pt] (1990).

Between September 2019 and January 2020, he served as advisor to the Secretary of Science and Technology for the Ministry of Health, Denizar Vianna.

[4][5] In his first speech as minister, Teich stated there would be no abrupt changes to the Ministry's current policies, and that health and the economy "are not competing against each other".

While he did not give an official statement of his reasoning for resigning, Teich had publicly disagreed with Bolsonaro's government over the handling of the worsening COVID-19 outbreak on several occasions.