The first cabinet of Jóhanna Sigurðardóttir was formed in Iceland, making her the country's first female prime minister and the world's first openly gay head of government.

The First cabinet of Jóhanna Sigurðardóttir in Iceland, nicknamed “The welfare government” or “The sixth left government”, was formed 1 February 2009 after the Second cabinet of Geir Haarde resigned due to the 2009 Icelandic financial crisis protests.