Her profile was boosted this year when she married and divorced basketball player Kris Humphries within the space of three months.
She rose to fame after appearing in reality show Keeping Up With The Kardashians, which launched in 2007 and follows the personal and professional lives of members of her family.
Second most popular for web users on google.co.uk was Victoria Beckham, followed by Harry Potter star Emma Watson and actress Scarlett Johansson. Friends star Jennifer Aniston rounded off the top five celebrities.
The creator and star of The Office, Ricky Gervais, was the only man in the top 10 list.
It was drawn up by staff at the internet search giant as part of its annual zeitgeist which examines the latest online trends.