The 2017 UCI Cyclo-cross World Championships were the World Championship for cyclo-cross for the season 2016–17. It was held in Bieles in Luxembourg on Saturday 28 and Sunday 29 January 2017. The championships featured five events; men's races for elite, under-23 and junior riders, and women's races for elite and under-23 riders.

Event	Gold		Silver		Bronze
Men's events
Men's elite race[2] details	Wout van Aert  Belgium	1h 02' 08"	Mathieu van der Poel  Netherlands	+ 44"	Kevin Pauwels  Belgium	+ 2' 09"
Men's under-23 race[3] details	Joris Nieuwenhuis  Netherlands	53' 58"	Felipe Orts  Spain	+ 1' 23"	Sieben Wouters  Netherlands	+ 1' 29"
Men's junior race[4] details	Tom Pidcock  Great Britain	41' 24"	Dan Tulett  Great Britain	+ 38"	Ben Turner  Great Britain	+ 44"
Women's events
Women's elite race[5] details	Sanne Cant  Belgium	43' 06"	Marianne Vos  Netherlands	+ 1"	Kateřina Nash  Czech Republic	+ 21"
Women's under-23 race[6]	Annemarie Worst  Netherlands	43' 47"	Ellen Noble  United States	+ 10"	Evie Richards  Great Britain	+ 26"

  *   Host nation (Luxembourg)

Rank	Nation	Gold	Silver	Bronze	Total
1	Netherlands (NED)	2	2	1	5
2	Belgium (BEL)	2	0	1	3
3	Great Britain (GBR)	1	1	2	4
4	Spain (ESP)	0	1	0	1
	United States (USA)	0	1	0	1
6	Czech Republic (CZE)	0	0	1	1
Totals (6 entries)		5	5	5	15

• Official website