Thobias Montler (born 15 February 1996) is a Swedish athlete specialising in the long jump.
He won a bronze medal at the 2017 European U23 Championships.
In addition, he finished fourth at the 2018 European Championships.
His personal bests in the event are 8.22 metres outdoors (Stockholm 2019) and 8.17 metres indoors (Glasgow 2019).He was born Thobias Nilsson Montler, but legally changed his name to omit Nilsson in 2019.
Among other reasons, the whole name did not fit on athlete's bibs or plane ticket, and neither had had he ever used the Nilsson name personally.