Cazasu

{{Infobox Romanian subdivision

|type = commune

|county = Brăila

|name = Cazasu

|image_flag =

|image_shield = ROU BR Cazasu CoA.jpg

|image_skyline =

|image_caption =

|image_location =

|leader_name = Elena Coadă

|leader_party = PNL

|leader_term = 2020–2024

|image_map = Cazasu jud Braila.png

|map_caption = Location in Brăila County

|coordinates = {{coord|45|17|N|27|54|E|region:RO|display=it}}

|elevation = 13

|elevation_min =

|elevation_max =

|area_total = 26.88

|area_footnotes =

|population_as_of =

|population_total = auto

|population_footnotes =

|postal_code = 817181

|area_code = +(40) 239

|website = {{URL|https://www.cazasu.ro/}}

}}

Cazasu is a commune located in Brăila County, Muntenia, Romania. It is composed of a single village, Cazasu. It was part of Tudor Vladimirescu Commune until 2003, when it was split off to form a separate commune.