The John Holland Group is an infrastructure, building, rail and transport business operating in Australia and New Zealand.

[5] In December 2014, Leighton Holdings agreed terms with China Communications Construction to sell John Holland.

[49][50] In January 2012, John Holland commenced the operation and maintenance of the New South Wales Regional Network under a ten-year contract with Transport for NSW, comprising 2,400 route kilometres of operational passenger and freight rail lines and 3,100 route kilometres of non-operational lines.

[54][55] In July 2020, John Holland became responsible for maintenance of the Glenelg tram line in Adelaide as part of the Torrens Connect consortium.

John Holland owns 49% of the Yarra Journey Makers joint venture.