Thomas Farriner (sometimes written as Faynor or Farynor; c. 1615 – 20 December 1670) was an English baker and churchwarden^[1] in 17th century London. Allegedly his bakery in Pudding Lane was the starting point for the Great Fire of London on 2 September 1666.^[2][3]

Farriner joined the Baker's Company in 1637, and had his own shop by 1649.^[4] By the time of the Great Fire of London, Thomas Farriner was a well-known baker in the City of London, who provided bread for the Royal Navy during the Anglo-Dutch war.^[5]

In the early hours of 2 September 1666, Farriner was awakened by smoke coming under the door of his bedroom. Downstairs in his bakery in Pudding Lane, the fire had started and his house had caught fire. Farriner, with his daughter, managed to escape out of an upstairs window. His maid, however, refused to follow them out of the window because she was frightened of falling into the street. She eventually died in the fire and was the first victim of the Great Fire of London.

After the fire, he rebuilt his business in Pudding Lane. He and his children signed the Bill falsely accusing Frenchman Robert Hubert of starting the fire.

Farriner died in 1670, aged 54–55, slightly over four years after the Great Fire of London.

Thomas Farriner and his daughter are featured characters in the 2016 musical Bumblescratch.^[6]

Andrew Buchan played Farriner in the 2014 TV series The Great Fire (TV series).^[7]

In the Heroes of Olympus series by Rick Riordan, Farriner (written as "Faynor") is a demigod son of Hephaestus, the last child of Hephaestus able to create and control fire before Leo Valdez, one of the main protagonists in the series, and that his inability to control his power was what started the great fire.^[8]

• Porter, Stephen (2017). "Farriner, Thomas (1615/16?–1670)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/76314. ISBN 978-0-19-861412-8. (subscription or UK public library membership required)