Family name รัตตัญญู (รัตตัญญู 
) , around the world, is quite a rare last name. The last name รัตตัญญู is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Much less frequently, รัตตัญญู is the forename as well as the last name.
| ปรัชญ์ รัตตัญญู TH (b. 1992) |
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