The 2013 Tour of Slovenia () was the 20th edition of the Tour of Slovenia, categorized as 2.1 stage race (UCI Europe Tour) held between 13 and 16 June 2013.
Yellow jersey for overall classification returned after 2 years (replacing temporary blue jersey).
The race consisted of 4 stages with 503.1 km (312.6 mi) in total.
Total 117 riders (99 finished it) from 15 teams started the race.