Vukosavlje (Serbian Cyrillic: Вукосавље) is a municipality in Republika Srpska, Bosnia and Herzegovina.

It is situated in the southern part of the Posavina region.

The small municipality was created from part of the pre-war municipality of Odžak (the other part of the pre-war municipality is now in the Federation of Bosnia and Herzegovina entity) (settlements: Gnionica, Jošava, Srnava and parts of Ade and Potočana) and some villages from Modriča (Jakeš, Pećnik and Modrički Lug).

[2] It is located between municipalities of Odžak to the north, Šamac to the east, Modriča to the south, and Brod to the west.

[3] [4] In the 2013 census,[5] the municipality of Vukosavlje had 4,667 residents, including: Una-Sana  Central Bosnia Posavina  Herzegovina-Neretva Tuzla  West Herzegovina Zenica-Doboj  Sarajevo Bosnian Podrinje Canton 10