7K

7K or 7-K may refer to:


 * 7000 (number)
 * The year 7000, in the 7th millennium
 * Gnome-Rhône 7K
 * Soyuz 7K-L1
 * Soyuz 7K-L1 No.4L
 * Soyuz 7K-L1 No.5L
 * Soyuz 7K-L3
 * Soyuz 7K-OK
 * Soyuz 7K-OKS
 * Soyuz 7K-T
 * Progress 7K-TG
 * Soyuz 7K-TM
 * A-7K, model of LTV A-7 Corsair II
 * 7K, model of Toyota K engine
 * 7K, the production code for the 1988 Doctor Who serial Silver Nemesis