Sir Alan Francis Mark KNZM CBE (born 19 June 1932) is a New Zealand botanist and environmentalist.

[3] Mark was asked by the Department of Scientific and Industrial Research in October 1969 to study the lakeshore of Lake Manapouri to see what environmental effect could be expected from the proposed raising of the lake level by 27 metres (89 ft).

[4] A heated public debate started over the proposal and Mark was a founding member of the Save Manapouri campaign.

[1] In the 1989 New Year Honours, he was appointed Commander of the Order of the British Empire (CBE) for services to conservation.

[7] Mark received the Royal Society Te Apārangi's Hutton Medal in 1997.

[8] In the 2001 New Year Honours, Mark was appointed Distinguished Companion of the New Zealand Order of Merit (DCNZM) for services to conservation.