Ingrid Gärde Widemar (1912–2009) was a Swedish lawyer and politician (Liberal People's Party (Sweden)).
She was the first female Supreme Court Justice in Sweden.
[1] Her father was Natanael Gärde, a judge and a politician.
She got married Sven Widemar, a lawyer, in 1938, and they had four children together.
[1] Tvåkammarriksdagen 1867–1970, band 1 (Almqvist & Wiksell International 1988)