Jack (Disambiguation)
- Jack (Nerdcore), a guest in Nerdcore.
- Jack Xiao Long, the host of Rolecore.
- JackTheGamer101, a guest in Lucca's Hardcore.
- JackP, the host of Final Hours.
- Wuggle, a guest in Fourcore.
- Jack Spero, a guest in John Dubuc's Hardcore Series.