The INRGREF works with several international structures Research (IRD, ICARDA, CIRAD, AOAD, ACSAD, FAO, CIHEAM, IAEA, CEMAGREF, INRA France, INIA-Portugal, FUSAG-Belgium, Italy Cagliari University, CSIC Madrid, Univ. Autonomous Barcelona, EU, INRF Algiers, and ENFI IAV Hassan II Morocco, ...). There is an active participation of researchers at the INRGREF several international projects of cooperation:

A dozen projects with the European Union (INCO-DC).

The bilateral cooperation with France, Belique, Portugal, Morocco and Egypt.

Interregional cooperation between the IAEA and INRGREF.

The achievement of more than 20 consultations per year in irrigation and forestry is another strong point of international cooperation in INRGREF.