Jón Halldór Oddsson (born 25 January 1958) is an Icelandic former multi-sport athlete.
[6] Jón played for several seasons in the Icelandic top-tier football league, then named 1. deild karla.
[4] In May 1979, Jón was named to the Icelandic men's national football team.
On May 22, he was an unused substitute in Iceland's UEFA Euro 1980 qualifying game against Swiss.
[9] Jón is married to Martha Ernstdóttir[10] who competed in women's marathon at the 2000 Summer Olympics.