The disclosed hose hanger apparatus is manually installable on a gas supply hose to secure and retain an end of the gas supply hose when the hose is disconnected from a gas appliance. The hose hanger apparatus is configured to engage with and protect a quick disconnect female coupler installed on the end of the gas supply hose. The hose hanger apparatus is also configured to engage with and accept a male quick disconnect nipple when installed in an opposite orientation on the gas supply hose.