Thérèse Rein (born 17 July 1958) is an Australian entrepreneur who is the founder of Ingeus, an international employment and business psychology services company.
Rein is the wife of Kevin Rudd, who was the Prime Minister of Australia, holding the office from 2007 to 2010 and then again in 2013.
She was the first Australian Prime Minister's wife to remain in the paid workforce while her husband was in office.
She was awarded the Human Rights Medal by the Australian Human Rights Commission in December 2010 for her long-term dedication to human rights, especially the rights of people with disability.
In December 2012 she was awarded an Honorary Doctor of the University degree by Griffith University for her services to business, and the award of Doctor of Letters (honoris causa) by the University of Western Sydney in April 2014, in recognition of her service to the Australian community, commitment to human rights, engaging constructively with human rights mechanisms, eliminating poverty and injustice, and the illumination of disadvantage.
In 2018, she was inducted into the Queensland Business Leaders Hall of Fame.