Miss Teen Thailand is a beauty contest for Thai girls aged 15–18.

The pageant was created by the Miss Thailand organisation, in co-operation with Channel 7 television studios.

Miss Teen Thailand was transferred from the Yod Phu Thai company to Inspire Entertainment Co., Ltd. in 2002.

The entry requirements for Miss Teen Thailand is that girls must be of the ages between 15 - 17, which was later adjusted to 18 in 1998.

Many previous winners and runners-up have gone on to achieve success in the entertainment industry, ranging from modelling, acting, singing and presenting.