There were several risk and protective factors linked with online gambling among a large sample of Spanish youth. Online gambling was positively associated with being a victim of cyberbullying. That is, youth who gambled more online also reported being bullied on the Internet more frequently. Positive parenting style and time spent reading protected against online gambling. Youth who reported more care or affection from their parents, and whose parents know their whereabouts, reported less gambling. Having more spending money, participating in sports, and being male increased the risk for online gambling.