Božo Mikulić born 29 January 1997) is a Croatian footballer who plays for Scottish Premiership side St Johnstone. Apart from his initial two years at NK Omladinac Vranjic, Mikulić spent his entire youth career in RNK Split, becoming a youth international in 2014. As the captain of Split's U19 team, who also handled his team's set-pieces, he was loaned out to the second-tier team NK Imotski where he scored on his senior debut, a 1–1 away draw with NK Dugopolje. In the summer of 2016, he returned to RNK Split and made his Prva HNL debut.