Knapsack
Knapsack stands for:
- Knapsack (Hürth) , a district of Hürth, near Cologne
- the Knapsack Chemical Park located there
- Knapsack circuit , a variant of the power supply for industrial electric ovens, used for the first time in a system at Knapsack
- Knapsack problem, see backpack problem
- Knapsack procedure, see Merkle-Hellman cryptosystem
- a type of steam locomotive from Friedrich Krupp AG, see Krupp Knapsack
- an American emo rock band, see Knapsack (band)