A burner and a cooker including the burner are provided. The burner includes a burner port, an ignition unit configured to ignite a mixture gas in the burner port, a combustion member located between the burner port and the ignition unit, a plurality of combustion compartments defined by portions of the burner port and the combustion member to allow combustion of the mixture gas in the combustion compartments, and an ignition compartment defined by the remaining portions of the burner port and the combustion member to allow ignition of the mixture gas supplied from the combustion compartments, whereby a flame generated by igniting the mixture gas in the ignition compartment is propagated to the combustion compartments. The cooker includes a cooking cavity, the burner, mixing tubes for the mixture of gas, and a door closing the cooking cavity.