Thomas Chaffyn (1519 - 1559) was an English politician.
Chaffyn was the son of Salisbury MP Thomas Chaffyn. He married Sybil South, the daughter of Salisbury MP, Robert South.
In 1547, he was Mayor of Salisbury. He was a Member (MP) of the Parliament of England for Heytesbury in November 1554 and Salisbury in 1555.[1]