Surname Saengnil (Saengnil 
) , all over the world, is a rare cognomen. The family name Saengnil is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Sopa, Chamnong, Chitnuphong, Patthama, Prapaijit, Piyatida, Tanatcha, Natthika, Nuttapol, Yutthana, Chitsukhum, Chutikarn, Photjanee, Thayakorn, Nattaporn, Wanchanok, Supranee, Sirikorn, Sirinadda, Warunnee, Samai, Kawin, Sunisa, Sumpao, Amporn, Kobsak, Thawat, Nutchanart, Viyada, Sanchat, Sompong, Chanida, Pimsiri, Rungroj, Daranee, Nirumol, Weataka, and Phataraporn