Dennis Wyndham (15 January 1887 – 19 August 1973) was a South African born stage and film actor.

[1][2] Long based in Britain, he appeared in more than 40 films between 1920 and 1956.

He was born in Natal, South Africa.

[3] On 23 May 1917, he married Elsie Mackay otherwise known as silent film actress Poppy Wyndham.

Her elopement caused her father James Mackay, 1st Earl of Inchcape to disinherit her.