Countess of Snowdon

Countess of Snowdon may refer to:


 * Princess Margaret, Countess of Snowdon (1930–2002), younger daughter of King George VI and first wife of Antony Armstrong-Jones, 1st Earl of Snowdon
 * Lucy Armstrong-Jones, Dowager Countess of Snowdon (b. 1941), second wife of Antony Armstrong-Jones, 1st Earl of Snowdon
 * Serena Armstrong-Jones, Countess of Snowdon (b. 1970), wife of David Armstrong-Jones, 2nd Earl of Snowdon