Fencing competitions at the 2010 Summer Youth Olympics in Singapore consisted of three Cadet Male individual events, three Cadet Female individual events and one team event including both genders and all 3 weapons: épée, foil and saber.

The venue was located at the International Convention Centre (ICC).

[1] Fencing was one of the five sports that was continually featured at the Olympics since Athens in 1896; the others being athletics, swimming, cycling and gymnastics.

Initially FIE qualified 54 fencers based on the results of 2010 Cadet World Championships in Baku with 1 more entry in each weapon reserved for a host country[2] A table below illustrates these selections, where number in brackets near fencers' names shows their placement [3] in 2010 Cadet World Championships: Finalized selection table[4] included 20 additional fencers added by FIE and IOC based on the final revision of "Criteria for qualification to the 2010 YOG" published here.

The composition of the teams will be determined by the results achieved during the individual events.