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