29th Battalion

29th Battalion may refer to:


 * 29th Battalion (Australia), a unit of the Australian Army raised for service during World War I
 * 2/29th Battalion (Australia), a unit of the Australian Army raised for service during World War II
 * 29th Battalion, (Vancouver), CEF, a unit of the Canadian Expeditionary Force raised for service during World War I
 * 29th Battalion (New Zealand), a unit of the New Zealand 3rd Division raised for service in the Pacific during World War II