[Object] To provide a communication apparatus and a communication method which are capable of suppressing a decrease in communication efficiency in UL communication of a random access scheme.[Solution] Provided is a communication apparatus, including a communication unit configured to transmit a trigger frame including sub area information in which a sub area is specified from a resource area including wireless communication resources selectable as uplink resources and receive a response frame to the trigger frame. Provided is a communication apparatus, including a communication unit configured to receive a trigger frame including sub area information in which a sub area is specified from a resource area including wireless communication resources selectable as uplink resources and transmit a response frame to the trigger frame.