The 2018 Swedish Athletics Championships (Swedish: Svenska mästerskapen i friidrott 2018) was the 123rd national outdoor track and field championships for Sweden.

It was held on 24 to 26 August at the Ekängens Friidrottsarena in Eskilstuna.

It was organised by Råby-Rekarne FIF, Ärla IF and Eskilstuna FI, Swedish outdoor championships took place at several venues beyond the main track and field championships.