| Bianca de Jong-Muhren | |
| Country: | Netherlands |
| Birth Date: | 28 February 1986 |
| Birth Place: | Gouda, Netherlands |
| Woman Grandmaster (2007) | |
| Rating: | 2252 (December 2022) |
| Peakrating: | 2365 (June 2015) |
| Fideid: | 1008498 |
Bianca de Jong-Muhren (née Muhren; born 28 February 1986) is a Dutch chess player who holds the FIDE title of Woman Grandmaster (WGM, 2007). She is a four-time Dutch Women's Chess Championship medalist (2005, 2006, 2010, 2014).
De Jong-Muhren has been playing chess since the age of five. Between 1994 and 2006 she repeatedly represented the Netherlands at the World and European Youth Chess Championships in all age groups. In 2004, in Ürgüp Bianca de Jong-Muhren won the title of runner-up in European Youth Chess Championship in U18 age group. She was also a multiple national champion of youth in 1996 (U12), 1998 (twice: U12 and U20), 2000 (U14), 2002 (U16) and 2003 (U20). Of these championship titles, gold in Leiden in 1998 in the U20 age group deserves special distinction, as she was only 12 when she won the competition.
She won the medals of the individual Dutch Women's Chess Championships four times: three silver (2006, 2010, 2014) and bronze (2005).
De Jong-Muhren played for Netherlands in the Women's Chess Olympiads:[1]
She played for Netherlands in the European Team Chess Championship:[2]
In 2004, she was awarded the Woman International Master (WIM) title and received the Woman Grandmaster (WGM) title three years later.