Hamdi Dhouibi is a Tunisian decathlete.
Thomas Van der Plaetsen is a Belgian decathlete. His biggest achievements are winning the gold medal for decathlon at the 2016 European Athletics Championships, winning bronze medal for heptathlon at the 2014 World Indoor Championships, and gold medal for decathlon at the 2013 and 2015 Summer Universiade.
Kevin Mayer is a French athlete specialising in decathlon and indoor heptathlon. He is two-time world champion, two-time Olympic silver medalist and the world record holder in the decathlon since 2018. He is also a world and three-time European champion in heptathlon.
Kai Kazmirek is a German track and field athlete who competes in the decathlon. He holds a personal best of 8580 points for the event achieved in Rio 2016, as well as an indoor heptathlon best of 6173 points. He is a member of LG Rhein-Wied athletics club.
Pieter Braun is a Dutch athlete competing in the combined events. He won the gold medal at the 2015 European U23 Championships. He also competed in the decathlon in the 2016 Summer Olympics.
Paweł Wiesiołek is a Polish athlete competing in the decathlon. He represented his country at the 2015 World Championships in Beijing finishing 17th and competed in the 2016 Summer Olympics.
Atsu Nyamadi is a Ghanaian athlete competing in the decathlon. He won medals at the 2014 African Championships and 2015 African Games.
Jérémy Lelièvre is a French athlete competing in combined events. He represented his country in the heptathlon at the 2016 World Indoor Championships finishing eighth.
Florian Geffrouais is a French athlete competing in the decathlon. He represented his country at four consecutive European Championships.
Marco Baffi is an Italian male retired decathlete, which participated at the 1991 World Championships in Athletics.
Marco Rossi is an Italian male retired decathlete who participated in the 1987 World Championships in Athletics.
Sandro Brogini was an Italian decathlete, who competed at the 1980 Summer Olympics,
Hubert Indra is an Italian male decathlete, who has continued his career into masters athletics.
Vitaliy Mikhailavich Zhuk is a Belarusian athlete competing in the combined events. He won a bronze medal in the decathlon at the 2018 European Championships.
Elmo Savola is a Finnish athlete competing in the combined events. He won a bronze medal in the decathlon at the 2017 European U23 Championships.
Marek Lukáš is a Czech athlete competing in the combined events. He represented his country at three outdoor and one indoor European Championships.
Darko Pešić is a Montenegrin athlete competing in the combined events. He finished sixth in the heptathlon at the 2017 European Indoor Championships. He holds multiple national records in various events.
Majed Radhi Mubarak Al-Sayed is a Kuwaiti decathlete. He won the silver medal at the 2019 Asian Championships. He is the current national record holder in both decathlon and heptathlon.
Dario Dester is an Italian decathlete, current national record holder of the decathlon outdoor and heptathlon indoor.
Italy 
