Sarabun
Sarabun is a sans-serif font, available from Google Fonts.
It comes in 16 different variants (thin, 100italic, extra-light, 200italic, light, 300italic, regular, italic, medium, 500italic, semi-bold, 600italic, bold, 700italic, extra-bold, 800italic).
Sarabun
Full-screen preview | Pair with Open Sans | Official website