Cognomen Kullanan (กุลนันทน์ 
, Kullanan ) , across the world, is an extremely rare last name. The cognomen Kullanan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Kullanan is the forename as well as the last name.
Lakul, Tubtimhin, Hansuwan, Wilaiwan, Wiratpattanakul, Pananukooln, Palakawong, Poolsawat, Phucharoen, Traicharoenwiwat, Worakulchai, Sricharoen, Chuaynakhon, Penmongkol, Phacheerak, Dulpinitpattana, Laohawiroj, Laosamathikul, Thammasorn, Treechaivattanagit, Sirisongkram, Sritaweesap, Tonpotong, Jeeramagorn, Jaipaeng, Langkorn, Moolla, Saibut, Chaipa, Pensuk, Inchan, Maithueng, Moonsan, Saiboot, Sukwanchai, Atjayutpokin, Likitthangtham, Chantud, Promdee, Phakjiam, Jetthirachot, Tuiteam, Wongnoi, Yimraksa, Mangjaroen, Somsuwan, Buasombat, Punyawan, Kunthic, and Pattharabandit