Family name Udugama (Udugama 
) , in the entire world, is quite a rare last name. The cognomen Udugama is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is a rare surname, and Australia, where it is a very rare surname. Very seldom, Udugama is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Udugama | Australia, Canada, United States, Sri Lanka, Qatar |
| richard udugama Sri Lankan army commander (1911-1995), LK (b. 1911) |
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| udugama sri buddharakkitha thero LK (b. 1930) |
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| namal udugama Sri Lankan musician, LK (b. 1977) |
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| isuru a udugama researcher |
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Ari, Devika, Deshan, Dehemi, D G Ajith, Gerard, Lahiru, Janaka, Tosick, Nadira, Roshan, Nipuni, Ishina, Maheshi, Moyandi, Mithira, Shanika, Bhanuka, Kavinda, K R Hashmika Perera, Rashoma, Visaka, Ramesh, Pushpa, K D Minoli Shimara, Don, Saku, Sunil, Parak, Ranga, Gayan, Lekha, Namal, Hiran, Isuru, Manoja, Mahesh, Sanath, Saliya, Sisira, Antony, Anjali, Amitha, Achini, K D Brian Chamal, K D Gerard Hiran, Timasha, and Natasha