Royal Navy Forces (RN)

2nd Destroyer Flotilla
    Captain Bernard A. W. Warburton-Lee

DD Hardy (F)*
 Captain Bernard A. W. Warburton-Lee
DD Hotspur
 Commander Herbert F. N. Layman
DD Hostile
 Commander J. P. Wright
DD Havock
 Lt. Commander Rafe E. Courage
DD Hunter*
 Lt. Commander Lindsay de Villiers

German Naval Forces

Narvik Destroyer Invasion Force
    Kommodore F. Bonte (aboard Wilhelm Heidkamp)

DD  Wilhelm Heidkamp (F)*
 Korvettenkapitan Hans Erdmenger

1st Destroyer Flotilla
    Fregattenkapitan F. Berger
DD Georg Thiele
 Korvettenkapitan Max-Eckart Wolff

3rd Destroyer Flotilla
    Fregattenkapitan Hans-Joachim Gadow
DD Hans Ludemann(F)
 Korvettenkapitan H. Friedrichs
DD Hermann Kunne
 Korvettenkapitan Kothe
DD Diether von Roeder
 Korvettenkapitan Erich Holtorf
DD Anton Schmitt*
 Korvettenkapitan Friedrich Bohme

4th Destroyer Flotilla
    Fregattenkapitan Erich Bey
DD Wolfgang Zenker (F)
 Korvettenkapitan G. Ponitz
DD Bernd von Arnim
 Korvettenkapitan Curt Rechel
DD Erich Giese
 Korvettenkapitan Karl Smidt
DD Erich Koellner
 Korvettenkapitan A. Schulze-Hinrichs

U-Boats
U25 Korvettenkapitan Schutze
U46 Kapitanleutnant Sohler
U48 Kapitanleutnant Schultze
U51 Kapitanleutnant Knorr
U64 Kapitanleutnant Schulz

Whaler/Tanker Jan Wellem

Several German merchantman in Narvik Harbor were also sunk by the British destroyers.

*Sunk in this action.

Sources:
1.  ‘Chronology of the War at Sea 1939-1945’ by J. Rohwer & G. Hummelchen
2.  ‘Hitler’s Naval War’ by C. Bekker
3.  ‘Narvik; Battles in the Fjords’ by Capt. P. Dickens
4.  ‘Sea Battles in Close-Up, WWII, Vol. 2, Narvik’ by E. Grove