The Senya national under-21 football team is the football team for players aged 21 and under which represents the micronation of Senya.
The team was founded in early 2016 after the establishment of the Colney Cup as an under-21 tournament, with Senya hosting and participating in the inaugural edition, which the team won. The team hosted the second edition the following year, but performed poorly and placed ninth.
Chronological competitive participation
The team's 18-man squad named to compete in the 2016 Colney Cup.
Senya under-21 has used the following flag during the entirety of its FMF affiliation: