D-Link Corporation (Chinese: 友訊科技) is a Taiwanese multinational networking equipment manufacturing corporation headquartered in Taipei, Taiwan. It was founded in March 1986 in Taipei as Datex Systems Inc. It began as a network adapter vendor and has gone on to become a designer, developer, and manufacturer of networking solutions for both the consumer and business markets.

In 2007, it was the leading networking company in the small to medium business (SMB) segment worldwide with 21.9% market share. In March 2008, it became the market leader in Wi-Fi product shipments worldwide, with 33% of the total market. In 2007, the company was featured in the "Info Tech 100", a listing of the world's best IT companies. It was also ranked as the 9th best IT company in the world for shareholder returns by BusinessWeek.

D-Link Corporation changed its name from Datex Systems Inc. in 1994, when it went public and when it became the first networking company on the Taiwan Stock Exchange. It is now publicly traded on the TSEC and NSE stock exchanges.

In 1988, Datex Systems Inc. released the industry's first peer-to-peer LANSmart Network Operating System, able to run concurrently with early networking systems such as Novell's NetWare and TCP/IP which most small network operating systems could not do at the time.

In 2007, it was the leading networking company in the small to medium business (SMB) segment worldwide with 21.9% market share. In March 2008, it became the market leader in Wi-Fi product shipments worldwide, with 33% of the total market. In 2007, the company was featured in the "Info Tech 100", a listing of the world's best IT companies. It was also ranked as the 9th best IT company in the world for shareholder returns by BusinessWeek.. In the same year, D-Link was released one of the first Wi-Fi Certified 802.11n draft 2.0 Wi-Fi router (DIR-655), which subsequently became one of the most successful draft 802.11n routers.

In 2013, D-Link released its flagship draft 802.11ac Wireless AC1750 Dual-Band Router (DIR-868L) which attained the fastest ever wireless throughput tested by SmallNetBuilder as of May, 2013.

In April 2019, D-Link was named "Gartner Peer Insights Customers’ Choice for Wired and Wireless LAN Access Infrastructure".