16 July 1990|
|Height||1.69 m (5 ft 7 in)|
|Weight||64 kg (141 lb)|
|Current club||HC 's-Hertogenbosch|
Welten was part of the Dutch national team in the youth and is seen as one of the most promising talents in the world. National coach Marc Lammers selected her for the 2008 Summer Olympics in Beijing, which was her first larger international tournament in which she participated.
At the 2018 Women's Hockey World Cup in London, she won the gold medal with the Dutch team beating Ireland in the final 6–0 where she scored one of the goals. She was named player of the tournament.
- "Athlete biography: Lidewij Welten". Beijing2008.cn. Archived from the original on 1 September 2008. Retrieved 15 August 2008.
- "Hockey Women's World Cup 2018: Team Details Germany". FIH. p. 6.
- "Award winners: Vitality Hockey Women's World Cup London 2018". FIH. 5 August 2018. Retrieved 5 August 2018.