Sir Walter Rice was a Welsh politician who sat in the House of Commons

House of Commons of England

The House of Commons of England was the lower house of the Parliament of England from its development in the 14th century to the union of England and Scotland in 1707, when it was replaced by the House of Commons of Great Britain...

 at various times between 1584 and 1611.

Rice was the only son of Griffith Rhys of Newton who was High Sheriff in 1567. In 1584, he was elected Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Carmarthenshire

Carmarthenshire (UK Parliament constituency)

Carmarthenshire was a parliamentary constituency in Wales which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom until its representation was increased to two members for the 1832 general election....

. He was High Sheriff of Carmarthenshire

High Sheriff of Carmarthenshire

This is a list of High Sheriffs of Carmarthenshire. Carmarthenshire was originally created by the Statute of Rhuddlan in 1284. It became an administrative county in 1889 with a county council following the Local Government Act 1888...

 in 1586. In 1601 he was elected MP for Carmarthen

Carmarthen (UK Parliament constituency)

Carmarthen was the name of a parliamentary constituency in Wales which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom between 1542 and 1997...

. He was knighted on 23 July 1603. In 1604 he was re-elected MP for Carmarthen.

Rice married a daughter of Sir Edward Mansel of Margam.