Victoria Alexandrina Muriel May, Baroness Plunket (17 May 1873 – 11 February 1968) was a nursing association founder and vicereine.

After marrying William Lee Plunket, she moved to New Zealand and later the UK.

Influenced by the health reformer Truby King, she gave her name to and was a patron of the Plunket Society founded by Truby King in New Zealand, offering free health services to mothers and children.

[5] Following her husband's death, she married Francis Powell Braithwaite on 1 October 1920.

[2] Lady Victoria Braithwaite (as she was then styled) died on 11 February 1968 at the Penywern Nursing Home, London.