Following Sukmantoro et.al (2007) it's mention a total of Owl in Indonesia is 45 Species is from Family Tytonidae and Strigidae. 

Name folowing: Indonesia ǀ English ǀ Scientific/Taxonomic name

Tytonidae

1. Serak Jawa ǀ Barn Owl ǀ Tyto alba Scopoli, 1769
   
2. Serak Sulawesi ǀ Sulawesi Masked Owl ǀ Tyto rosenbergii Schlegel, 1866
3. Serak Minahasa ǀ Minahasa Masked Owl ǀ Tyto inexspecatata Schlegel, 1879
   
4. Serak Taliabu ǀ Taliabu Masked Owl ǀ Tyto nigrobrunnea Neumann, 1939
   
5. Serak Kecil ǀ Moluccan Masked Owl ǀ Tyto sororcula (Sclater, 1883)
   
6. Serak Australia ǀ Australia Masked Owl ǀ Tyto novaehollandiae Stephens, 1826
   
7. Serak Hitam ǀ Greater Sooty Owl ǀ Tyto tenebricosa Gould, 1845
   
8. Serak Padang ǀ Eastern Grass-owl ǀ Tyto longimembris Jerdon, 1839
   
9. Serak Bukit ǀ Oriental Bay Owl ǀ Phodilus badius Horsfield, 1821
   

Strigidae

1. Celepuk Besar ǀ White-fronted Scops-owl ǀ Otus sagittatus Cassin, 1848
   
2. Celepuk Merah ǀ Reddish Scops-owl ǀ Otus rufescens Horsfield, 1821 
   
3. Celepuk Gunung ǀ Mountain Scops-owl ǀ Otus spilocephalus Blyth, 1846
   
4. Celepuk Sulawesi ǀ Sulawesi Scops-owl ǀ Otus manadensis Quoy & Gaimard, 1830
   
5. Celepuk Siau ǀ Siau Scops-owl ǀ Otus siaoensis (Schlegel, 1873)
   
6. Celepuk Sangihe ǀ Sangihe Scops-owl ǀ Otus collari Lambert & Rasmussen, 1998
   
7. Celepuk Flores ǀ Flores Scops-owl ǀ Otus alfred Hartert, 1897
   
8. Celepuk Jawa ǀ Javan Scops-owl ǀ Otus Angelina (Finsch, 1912)
   
9. Celepuk Simalur ǀ Simeulue Scops-owl ǀ Otus umbra Richmond, 1903 
   
10. Celepuk Enggano ǀ Enggano Scops-owl ǀ Otus enganensis (Riley, 1927)
    
11. Celepuk Asia ǀ Oriental Scops-owl ǀ Otus sunia (Hodgson, 1836)
    
12. Celepuk Maluku ǀ Moluccan Scops-owl ǀ Otus magicus (S. Muller, 1841)
    
13. Celepuk Biak ǀ Biak Scops-owl ǀ Otus beccarii (Salvadori, 1876)
    
14. Celepuk Raja ǀ Rajah Scops-owl ǀ Otus brookii Sharpe, 1892
    
15. Celepuk Reban ǀ Sunda Scops-owl ǀ Otus lempiji (Horsfield, 1821)
    
16. Celepuk Mentawai ǀ Mentawai Scops-owl ǀ Otus mentawi (Chasen & Kloss, 1926)
    
17. Celepuk Wallacea ǀ Wallace’s Scops-owl ǀ Otus silvicola Wallace, 1863
    
18. Beluk Jampuk ǀ Barred Eagle-owl ǀ Bubo sumatranus Raffless, 1822
    
19. Beluk Ketupa ǀ Buffy Fish-owl ǀ Ketupa ketupu Horsfield, 1821
    
20. Belukwatu Gunung ǀ Collared Owlet ǀ Glaucidium brodiei Burton, 1836
    
21. Belukwatu Jawa ǀ Javan Owlet ǀ Glaucidium castanopterum Horsfield, 1821
    
22. Beluk Papua ǀ Papuan Hawk-owl ǀ Uroglaux dimorpha Salvadori, 1874
    
23. Pungguk Merah-tua ǀ Cinnabar Boobook ǀ Ninox ios Rasmussen, 1999
    
24. Pungguk Togian ǀ Togian Boobook ǀ Ninox Burhani Indrawan & S. Somadikarta, 2004
    
25. Pungguk Sumba ǀ Little Sumba Hawk-owl ǀ Ninox sumbaensis Olsen, Wink, SauerGurth, and Trost, 2002
    
26. Pungguk Merah ǀ Rufous Boobook ǀ Ninox rufa Gould, 1846
    
27. Pungguk Gonggong ǀ Barking Boobook ǀ Ninox connivens Latham, 1801
    
28. Pungguk Wengi ǀ Sumba Boobook ǀ Ninox rudolfi (A.B. Meyer, 1882)
    
29. Pungguk Kokodok ǀ Southern Boobook ǀ Ninox boobook (Latham, 1801)
    
30. Pungguk Coklat ǀ Brown Hawk-owl ǀ Ninox scutulata Raflles, 1822
    
31. Pungguk Oker ǀ Ochre-bellied Boobook ǀ Ninox ochracea Schlegel, 1865
    
32. Pungguk Maluku ǀ Moluccan Boobook ǀ Ninox squamipila Bonaparte, 1850
    
33. Pungguk Papua ǀ Junggle Boobook ǀ Ninox theomacha Bonaparte, 1855
    
34. Pungguk Tutul ǀ Speckled Boobook ǀ Ninox punctulata Quoy & Gaimard, 1830
    
35. Kukuk Selaputo ǀ Spotted Wood-owl ǀ Strix seloputo Horsfield, 1821
    
36. Kukuk Beluk ǀ Brown Wood-owl ǀ Strix leptogrammica Temminck, 1831
    

Bibliography: 
Sukmantoro W., M. Irham, W. Novarino, F. Hasudungan, N. Kemp & M. Muchtar. (2007) Daftar burung Indonesia no. 2. Indonesian Ornithologists’ Union, Bogor.