Sophie Hannah Gradon (25 October 1985 – 20 June 2018) was an English model. In 2008, she won Miss Newcastle. In 2009, Gradon won the title Miss Great Britain. In 2016, she was a contestant on the second series of ITV2's Love Island.

Gradon was born in Newcastle. She was educated at Dame Allan's School and she went on to complete her GCE Advanced Levels at Ponteland High School. She obtained a 2:1 degree in media, culture and society from Northumbria University.

In 2008, Gradon won the Miss Newcastle title. In 2009, she won the Miss Great Britain title. Gradon worked as a marketing manager. She was a promoter of the NE1 campaign in Newcastle City Centre, through which she raised money for charities. In this capacity, Gradon successfully solicited financial support from Calum Best for the Great North Run in 2011. Thousands of pounds were raised to send children with cancer on a trip to Crete. Chronicle Live reported that Calum agreed to support this charity after he saw the work Gradon did for the Sara's Hope Foundation. In 2011, Gradon appeared on Sky Sports in support of the campaign "The Great North Fitness Revolution".

She was a contestant on Love Island in 2016. During her time on the reality TV series, Love Island, Gradon began a relationship with barman Tom Powell before coupling up with glamour model Katie Salmon, Love Island's first same-sex pairing. She decided to leave the villa on day 39.

In 2018, Gradon was part of a talk on social media and its impact on children. In a March 2018 interview with Radio Aire, Gradon revealed that she was the victim of intense cyberbullying and internet trolls.

She reported in the interview:

"It was horrific. I think when you get so many comments on the scale we did coming out of thousands of followers."

She added: