Chai Chidchob (Thai: ชัย ชิดชอบ, RTGS: Chai Chitchop, IPA: [t͡ɕʰaj t͡ɕʰít.t͡ɕʰɔ̂ːp]; 5 April 1928 – 24 January 2020) was President of the National Assembly of Thailand and the Speaker of the House of Representatives from 15 May 2008 to 10 May 2011.

Chai contested a seat as a Democrat Party candidate in Surin, but failed to get elected.

One of Chai's sons is Newin Chidchob, a politician in the lower northeastern region.

The PPP nomination of Chai as the house speaker is partly credited to Newin.

[5] Chai received the following royal decorations in the Honours System of Thailand: