Sir Valentine Blake, 12th Baronet

Sir Valentine John Blake, 12th Baronet (23 June 1780 – January 1847) was an Irish Repeal Association and Tory politician.

In an attempt to put family affairs in order, Blake was convinced to stand for election for Galway Borough at the 1812 general election. While he was defeated, the result was the next year overturned and Blake was then declared elected, professing to be "warmly attached to the government". During this period, he frequently voted in support of Catholic relief, including extending the franchise in his constituency to Catholics—although this was later stripped out of the bill. Despite his earlier assurances, Blake did not establish a working relationship with the government either at Westminster or Dublin, holding out for the entire patronage of Galway town in order to maintain his election prospects. In the end, Blake felt he was "cheated of his rights" and came to see Robert Peel, who was then Chief Secretary for Ireland, as a Machiavellian figure.

He succeeded to the Baronetcy of Menlough in 1834 upon the death of his father. Upon his own death in 1847, the title was inherited by his son, Thomas.