Sarah Ellen Oliver Snow (née Murphy, 16 February 1864 – 13 February 1939) was a New Zealand political activist, feminist and welfare worker.

She was on the national executive of the Social Democratic Party.

Together with Elizabeth McCombs, she was voted onto the first executive council of the New Zealand Labour Party in 1916.

[1] Snow undertook charitable aid work and was on the Wellington Hospital board.

[3] She broke her leg, but died on 13 February; the coroner's verdict was for heart failure caused by the shock of the crash.