Sir Owen Thomas, JP, DL (18 December 1858 – 6 March 1923)[1] was a Welsh politician who served as the Member of Parliament for Anglesey.

[1] As a farmer, during 1893-7 he sat as member of the Royal Commission on Agricultural Depression; he and Lord Rendel were the only representatives of Wales on that body.

[1] Thomas took an interest in politics and stood unsuccessfully for the Liberal Party in Oswestry at the 1895 United Kingdom general election.

[6] Thomas raised[1] the Prince of Wales Light Horse regiment in 1899 to serve in the Second Boer War.

He also served as chief officer of the Life-Saving Apparatus at Sea section of the Board of Trade, and in his spare time bred farm stock.