Rony Jene Aleksi Jansson (born 10 January 2004) is a Finnish professional footballer playing for Allsvenskan club Kalmar FF as a centre-back.
Born in Espoo, Jansson started to play football in a youth team of Grankulla IFK in Kauniainen.
He joined the youth sector of HJK in 2018, and spent one season with the reserve team Klubi 04 in the second tier Ykkönen in 2021.
Jansson signed with Swedish club Kalmar FF in the summer 2022,[2] and was first registered to under-19 and under-21 academy squads.
[7] On 3 August 2023, Jansson debuted in the European competitions, as a late substitute to Robert Gojani, in a UEFA Conference League qualifying loss against Pyunik Yerevan.