Rocklea is a large suburb of Brisbane, the state capital of Queensland, Australia. The suburb is located 9 kilometres south of the city. At times the suburb has experienced significant flooding from the nearby Brisbane River. The west of the suburb is bordered by the Oxley Creek. Its tributaries, Stable Swamp Creek and Rocky Waterholes Creek, are the cause of local flooding. The suburb's name is derived from the Rocky Waterholes in the area.
It is also at one end of the Ipswich Motorway and has a train station on the Beenleigh line. Ipswich Road continues north from the Ipswich Motorway, through Moorooka and into the Brisbane central business district.
Rocklea is a mostly industrial suburb, being the home to many large firms from a range industries. The suburb has a school, Rocklea State School, which was opened in 1885. At the 2011 Australian Census Rocklea had a population of 1,255.