Alexander Penhellick was an English 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...

  in 1660.

Penhellick was the eldest son of Humphrey Penhellick of Helston and his wife Grace Bolithoe. His father was mayor of Helston in 1638. Penhellick was a merchant and in 1652 he was granted a commission for a privateer with Peter Ceely. He was commissioner for assessment for Cornwall in 1652 and 1657.

In April 1660 Penhellick 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 Helston

Helston (UK Parliament constituency)

Helston, sometimes known as Helleston, was a parliamentary borough centred on the small town of Helston in Cornwall.Using the bloc vote system of election, it returned two Members of Parliament to the House of Commons of England until 1707, then to House of Commons of Great Britain until 1800, and...

 in the Convention Parliament. There was a double return at the election and Penhellick was seated on the merits of the return. However in June the election was declared void and he left the House of Commons without having made any speeches and having been appointed to no committees.

Penhellick died between 12 October 1660 when he signed his will and 12 February 1662 when the will was proved.

Penhellick married Dorcas and had a son and daughter.