Christine Colombo Nilsen (married Hajo; born 30 April 1982) is a retired Norwegian football goalkeeper.

She appeared twelve times for the national team following her debut on 11 March 2006 in a match against Finland.

On 9 June 2008, Nilsen was named to the Norwegian roster for the 2008 Summer Olympics held in Beijing, China.

She was persuaded to stand in goal for Arna-Bjørnar in Autumn 2010 while Erika Skarbø was injured, and was also a member of the Norway national squad that in September qualified for the 2011 World Cup.

In January 2012, she joined the newly promoted Toppserien club Vålerenga, trained by her former Kolbotn teammates Cecilie Berg-Hansen and Solveig Gulbrandsen.