Peter Triantis (born 17 January 1992) is an Australian soccer player who plays as a central midfielder for Bankstown City.

[1] Triantis' youth career began in 2009 at APIA Leichhardt Tigers before moving a year later to Sydney Olympic FC where he quickly forced his way into the First Grade squad.

Triantis made his A-League debut for Sydney FC on 22 December 2012 against the Newcastle Jets, where he came on as a 30th-minute substitute for Brett Emerton.

[3] At the start of the 2013/14 season, Triantis was ruled out for 4–5 months with osteitis pubis allowing Matt Thompson to sign as injury cover for the young midfielder.

Nectarios was a part of Central Coast Mariners' 2023 A-League Men Grand Final winning side.