Redback, Red Back or Red-back may refer to:
Companies Redback Aviation, an Australian aircraft manufacturer Redback Boots, Australian footwear manufacturing company Redback Networks, telecommunications equipment company
Sports West End Redbacks or Southern Redbacks, the South Australia cricket team based in Adelaide Frankfurt Redbacks, Australian rules football club based in Frankfurt, Germany Glasgow Redbacks, Australian rules football club based in Glasgow, Scotland Romsey Football Club, nickname Redbacks, Australian rules football club based in Romsey, Victoria, Australia
Finance Texas redbacks, paper money issued between 1839 and 1840 in the Republic of Texas Australian twenty-dollar note, sometimes referred to as a redback Renminbi, the Chinese currency is sometimes referred to as redback in contrast to US dollar
Other uses Redback, working title of the 2010 Australian film Raven's Cabin Redback (armoured vehicle), Australian infantry fighting vehicle, version of the Korean K21 Redback (comics), a comic book superhero Redback spider (Latrodectus hasselti), species of spider found in Australia