The Nordic–Baltic Under-23 Athletics Championships (Norwegian: Nordisk-Baltisk U23-mesterskap i friidrett) is an annual outdoor combined track and field events competition for athletes under-20 from the Nordic countries (Denmark, Finland, Iceland, Norway, and Sweden) – and the Baltic states (Estonia, Latvia and Lithuania).

It is typically held over two days in July or August in even-numbered years.

[1] The competition was first held in 1998 as the Nordic Under-23 Athletics Championships, The organisers trialled the involvement of athletes from the Baltic states in 2008 and 2010 before making this a permanent arrangement and including them in the competition name.

Competing nations may enter three athletes per individual event, with the host nation being able to enter a further two wildcard athletes per event.

Where the number of entries exceeds eight athletes in a track event, then multiple finals are held, with the results of each race being combined for the final placings.