Red Bus was a bus operator in Christchurch, New Zealand. Red Bus operated public transport bus services around Christchurch on behalf of the Canterbury Regional Council, and it operated the free inner city Shuttle on behalf of the city council until the 2011 Christchurch earthquake. On 4 November 2020 it was announced Ritchies Transport Holdings Limited had purchased the assets of Red Bus, with 63 job losses. The sale was completed on 7 December 2020.