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==Variants==
;'''N2500'''
'''N-2500''' - the original;:Prototype powered by two [[Gnome et Rhône]] 14R 1600-hp engines, one built.
:*one produced
;'''N2501'''
'''N-2501''':Production -version replacedfor the [[GnomeFrench etAir RhôneForce]], enginesPowered withby SNECMA-manufactured [[Bristol Hercules]], five prototypes and 208 production aircraft built.
;'''Nord 2501A'''
:*208 produced, purchased by the Armée de l'Air
'''N-2501A''' - :Civil transport version for [[UTA]], fitted with two 1,650-hp (1230-kW) SNECMA 758/759 Hercules radial piston enginmesenginees, four built later converted to N2502. ▼
;'''Nord 2501D'''
▲'''N-2501A''' - Civil transport version for [[UTA]], fitted with two 1,650-hp (1230-kW) SNECMA 758/759 Hercules radial piston enginmes.
'''N-2501D''':Production -version for the [[German Air Force]], replaced some systems components of the N-2501N2501 with their equivalent from German manufacturers , 186 built (25 French built and 116 German built).▼
;'''Nord 2501IS'''
▲'''N-2501D''' - replaced some systems components of the N-2501 with their equivalent from German manufacturers
:*186Replaced some systems components of the N-2501, 6 produced, purchased by the [[Luftwaffe]]Israeli Air Force
;'''N-2501 Gabriel'''
: *[[SIGINT]]/[[electronic warfare]] platforms, 8 produced, probably modified N-2501s; operated by the Armée de l'Air ▼'''N-2501IS''' - replaced some systems components of the N-2501
;'''Nord 2501TC'''
:*6 produced, purchased by the Israeli Air Force
'''N-2501TC''':Nord - N-2501 modified for civil use by [[Transvalair]] , 3 produced▼
;'''Nord 2502A'''
'''N-2501 Gabriel''' - [[SIGINT]]/[[electronic warfare]] platforms
'''N-2502A/B''' - a:Civil version for civil[[Union operatorsAéromaritime thatdu Transport|UAT]] usedwith two [[Turbomeca]] [[Marboré II]] turbojets and two [[Bristol Hercules]] 758/759 turboprops of 1650 hp each , five built and two conversions from N2501A. ▼▲:*8 produced, probably modified N-2501s; operated by the Armée de l'Air
;'''Nord 2502B'''
:Civil version for [[Algérie]] with two [[Turbomeca]] [[Marboré II]] turbojets and two [[Bristol Hercules]] 758/759 turboprops of 1650 hp each, 2 conversions from N2501A and one built.
▲'''N-2501TC''' - N-2501 modified for civil use by [[Transvalair]]
;'''Nord 2502C'''
:*3 produced
'''N-2502C''' - similar:Similar to N-Nord 2502A/B; intended for purchase by an Indian airline , one prototype built▼
;'''Nord 2502F'''
▲'''N-2502A/B''' - a version for civil operators that used two [[Turbomeca]] [[Marboré II]] turbojets and two [[Bristol Hercules]] 758/759 turboprops of 1650 hp each
:Militarized version of the Nord 2502 for [[Portuguese Air Force]], 6 conversions.
:*10 purchased by [[Union Aéromaritime du Transport|UAT]] (A) and [[Air Algérie]] (B)
;'''Nord 2503'''
:Re-engined version with two [[Pratt & Whitney]] [[R-2800-CB17]]s of 2500 hp each, one conversion from one of the Nord 2501 prototypes.
▲'''N-2502C''' - similar to N-2502A/B; intended for purchase by an Indian airline
;'''Nord 2504'''
:*one prototype constructed
:Modification of the Nord 2502 intended for [[antisubmarine warfare]] role with the [[French Navy]], 24 ordered but only one built.
;'''Nord 2505'''
'''N-2502F''' - militarized version of N-2502A purchased by Portugal
'''N-2505''':Modified -Nord modified N-2502 intended for [[antisubmarine warfare]] , can cancelled.▼:*6 produced, operated by Portuguese Air Force
;'''Nord 2506'''
'''N-2506''' - special:Special modification of N-Nord 2502 to improve [[STOL]] performance and performance under heavy load for use as an assault transport , one conversion and one built.▼'''N-2503''' - replaced the two Bristol Hercules with two [[Pratt & Whitney]] [[R-2800-CB17]]s of 2500 hp each
;'''Nord 2507'''
:*one produced? modified N-2501?
'''N-2507''' -:Modified modifiedNord N-2502 intended for [[search and rescue]] role, with 12-hour endurance or greater , never passed the planning stage.▼
;'''Nord 2508'''
'''N-2504''' - modification of the N-2502 intended for [[antisubmarine warfare]] research
'''N-2508''':Modified -Nord modified N-2503 with two Turbomeca Marboré IIE turbojets added; highly capable, but none were ordered; the prototypes were sold to GermanyGerman, one conversion and one built.▼:*4 planned, one constructed; operated by the French Navy
;'''Nord 2520'''
: *Enlarged Nord 2502 with better cargo capacity, never passed the planning stage ▼▲'''N-2505''' - modified N-2502 intended for [[antisubmarine warfare]]
▲:*never passed the planning stage
▲'''N-2506''' - special modification of N-2502 to improve [[STOL]] performance and performance under heavy load for use as an assault transport
:*at least 2 constructed
▲'''N-2507''' - modified N-2502 intended for [[search and rescue]], with 12-hour endurance or greater
:*never passed the planning stage
▲'''N-2508''' - modified N-2503 with two Turbomeca Marboré IIE turbojets added; highly capable, but none were ordered; the prototypes were sold to Germany
:*2 prototypes constructed
'''N-2520''' - enlarged N-2502 with better cargo capacity
:*never passed the planning stage
==Operators==
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