Surname สองพี่น้อง (สองพี่น้อง, Songak 
, Songphoklang 
) , around the world, is a very rare last name. The family name สองพี่น้อง is characteristic of Thailand, where it is a very rare surname, and Nigeria, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Songak | Nigeria |
| Songphoklang, Songphoklhang | Thailand |
Biinfrueang, Bunkheawbut, Bunkhlong, Seangaunphun, Songaaluek, Songaidee, Songamon, Songasiket, Songaubon, Songaukson, Songaumporn, Songaupakan, Songaupakarn, Songauppakan, Songaupsorn, Songbaen, Songbanpot, Songbanthoeng, Songbhob, Songbhudr, Songboonroud, Songbuaphun, Songbuatong, Songbunnak, Songchutong, Songdoan, Songharoung, Songherdthong, Songhkanam, Songhklampakdee, Songhnoonathinee, Songhpa, Songkaet, Songkamlao, Songkampakdee, Songkawanno, Songkawe, Songkeae, Songkhakun, Songkhaphap, Songkhiea, Songkhilb, Songkhontod, Songkhumchum, Songkhumpa, Songkhunawedh, Songkhunnas, Songkierti, Songkijwisajakran, Songkongg, Songkongnam, Songkongnork, Songkpenyo, Songkwun, Songlaaied, Songlaau, Songlagnok, Songlaoo, Songloung, Songmaroeng, Songmatcharee, Songmeangsuk, Songmunag, Songmunnak, Songnaduk, Songnaroong, Songnasuak, Songnaun, Songnawat, Songnawut, Songngorn, Songnikhot, Songniluck, Songniphon, Songnipon, Songnonrung, Songnonsung, Songnorad, Songnpech, Songnsuda, Songnukaeo, Songnukew, Songoon, Songoppakarn, Songpadit, Songpaiboon, Songpakhon, Songpanuch, Songpar, Songparpal, Songpartom, Songpathai, Songpatkea, Songpea, Songpeuy, Songphad, Songphak, Songpharee, Songphinog, Songphram, Songpiansup, Songpiput, Songpluang, Songpluay, Songponh, Songprakorb, Songpranam, Songprueng, Songpukhieo, Songpukjit, Songpuksee, Songputkaw, Songrawi, Songrerd, Songroek, Songseesai, Songsomnok, Songsuea, Songsumpao, Songsumphao, Songtaen, Songtananun, Songtangtam, Songtaun, Songtaung, Songthaen, Songthan, Songthanee, Songthanoo, Songthibai, Songthingkaewkul, Songthuai, Songtiphot, Songtoang, Songtongkam, Songtongkham, Songtongrum, Songubon, Songugson, Songuppakarn, Songurn, Songvana, Songwadee, Songwanit, Songwhaineaow, Songwong, Songwonglah, Songyad, Sonsongnoen, Soongphia, Thaungwiai, and Thaungwiail