Oyaide Elec. is a Japanese audio cable, connector, and accessory manufacturer based in the Akihabara district of Tokyo. The company was founded in 1952 as a shop specializing in electrical wires, including magnet wires, industrial cables, and coaxial cables, and gradually narrowed its focus to become a cable specialty retailer in the 1970s. Over the following decades it expanded into the design and manufacture of high-end audio interconnects, power cables, AC plugs and outlets, and connectors, with products manufactured in Japan and exported internationally.

Oyaide is best known among hi-fi enthusiasts for products such as its Tunami series interconnects and power cables, along with a catalog of audiophile AC outlets, IEC connectors, and wall plates. For musicians, DJs, engineers, and producers, the company markets the NEO sub-brand and the d+ series, which includes USB cables, MIDI cables, instrument and patch cables, and DJ-oriented RCA leads sold in Class A, Class B, and Class S tiers. The brand has a particular reputation in the DJ and electronic music community for its short, color-coded RCA cables aimed at turntablists and club setups.

Oyaide has 6 products cataloged on Equipboard, including Instrument Cables and DJ Accessories.