Celmira de Almeida do Sacramento dos Santos Lourenço (born 1975) is a Santomean politician who has been speaker of the National Assembly since November 2022.

[1] Sacramento was elected to the National Assembly as the member for the Mé-Zóchi District in 2010, and subsequently selected in 2014, 2018, and 2022.

[2] She was part of a group that lobbied for the approval of a parity law that came into effect on 19 November 2022, with a target of 40% women set for the next election.

[5] Sacramento was elected president of the National Assembly on 8 November 2022 with 52 votes in favour and three abstentions.

[1] Upon her election, she said a key challenge of her mandate was the "consensual revision of the Constitution" in order to reform the Assembly.