Roosa Ariyo

Ariyo has attended the Monroe Community College and the University of Bridgeport in the United States.

Honka

Ariyo made her league debut against United Pietarsaari on 9 July 2011. She scored her first league goal against Åland United on 14 August 2013, scoring in the 88th minute.

Jitex

Ariyo made her league debut against QBIK on 12 April 2015.

TiPS

Ariyo made her league debut against Åland United on 23 March 2019. She scored her first league goals against IK Myran on 20 April 2019, scoring in the 18th and 34th minute.

UDG Tenerife

On 30 June 2021, Ariyo was announced at UDG Tenerife. She made her league debut against Barcelona on 4 September 2021.

Real Betis

Ariyo was announced at Real Betis.

Club YLA

On 30 June 2022, Ariyo was announced at Club YLA.

KuPS

On 4 August 2023, Ariyo was announced at KuPS. She made her league debut against HJK on 8 August 2023. Ariyo scored her first league goal against Åland United on 12 August 2023, scoring in the 62nd minute. She won the August 2023 Best Player award in September 2023. Ariyo scored against Celtic on 4 September 2024 in the UEFA Women's Champions League, scoring in the 18th minute.

Ariyo made her senior debut for Nigeria on 10 June 2021 in a 0–1 friendly loss to Jamaica.

Ariyo was raised in Helsinki and Espoo. Her father is Yoruba from Kogi State, Nigeria, and her mother is Finnish. She holds both Finnish and Nigerian citizenship.