Sikin Panjang (also known as Sikin Panyang, Gloepak Sikin, Glupak Sikin, Jekinpandjang, Loedjoe Aceh, Loedjoe Atjeh, Loedjoe Naru, Ludju Naru, Narumo, Sekin Pandjang, Sekin Panjang, Sekin Pandjang, Sekin Panjang Meutatah, Thikin Panjang) is a sword originating from northern Sumatra, Indonesia.
The Sikin Panjang is a straight, single edged sword. The sword comes with its sheath, and carried at the waist. Parts of the Sikin Panjang includes the wilah (blade), hulu (handle), sarung (sheath). The back and the edge of the blade are parallel making it a very straight sword. The blade also has a hollow ground edge throughout the blade. The hilt is shaped like the letter Y, with its length up to 25 cm. The moderate overall length of the sword is approximately 70 to 79 cm. The blade of the sword is usually made of pamor (pattern welding or Damascus) steel.