Sir Walter Rice was a Welsh politician who sat in the House of Commons at various times between 1584 and 1611.
Rice was the only son of Griffith Rice of Newton, Llandefaisant who was High Sheriff of Carmarthenshire in 1567.
In 1584, he was elected Member of Parliament for Carmarthenshire.
In 1601 he was elected MP for Carmarthen and was knighted on 23 July 1603.
[1] Rice married Elizabeth, the daughter of Sir Edward Mansel of Margam.