Tilomar, officially Tilomar Administrative Post (, ), is an administrative post (and was formerly a subdistrict) in Cova Lima municipality, Timor-Leste. Its seat or administrative centre is Casabauc.
The administrative post has an area of 194,64 km<sup>2</sup> and 7,043 inhabitants (2010). Most spoken language is Tetum Terik, but there is a big Bunak minority, too. Tilomar is divided into four sucos: Beiseuc, Casabauc, Lalawa, and Maudemo.
59% of the households in Tilomar are producing corn, 58% maniok, 53% vegetables, 48% coconuts, 15% rice and 8% coffee.