1984 Individual Speedway Junior European Championship

European Under-21 Championship
Marvyn Cox won the marred 1984 Championship
VenueNorfolk Arena
LocationKing's Lynn, England
Start date28 July 1984

The 1984 Individual Speedway Junior European Championship was the eighth edition of the European motorcycle speedway Under-21 Championships. All participants under the age of 21.

The title was won by Marvyn Cox but the meeting was blighted by the death of Leif Wahlman. During heat 13 his engine seized, causing him to fall and then he was hit from behind. The 19-year-old Swede suffered catastrophic brain injuries and died later at the Queen Elizabeth Hospital in King's Lynn.