Noto Sans Tai Tham
Google Fonts · 2012

A four-weight sans-serif delivering reliable Unicode support for the complex Tai Tham script of northern Thailand and Laos.
About
Noto Sans Tai Tham is among the more capable entries in the Noto family for minority scripts, providing four weights that allow modest typographic hierarchy alongside its Latin complement. The Tai Tham script's elaborate stacking diacritics present significant technical challenges, and this typeface handles them with the characteristic Noto care for legibility and neutrality. It is best suited to educational materials, cultural publications, and digital platforms serving Tai Tham-speaking communities.
Classification
One of the more developed Noto scripts fonts, offering four weights for the ornate Tai Tham script used in northern Thailand and Laos, alongside Latin characters. The design accommodates Tai Tham's complex stacking diacritics with careful spacing.