德州仪器（英语：Texas Instruments, TI，NASDAQ：TXN）是一家位于美国德克萨斯州达拉斯的跨国公司，以开发、制造、销售半导体和计算机技术闻名于世，主要从事数字信号处理与模拟电路方面的研究、制造和销售。它在25个国家有制造、设计或者销售机构。德州仪器是世界第三大半导体制造商，仅次于英特尔，三星；是移动电话的第二大芯片供应商，仅次于高通；同时也是在世界范围内的第一大数字信号处理器（DSPs）和模拟半导体组件的制造商，其产品还包括计算器、单片机以及多核处理器。德州仪器居世界半导体公司20强。

Texas Instruments Inc. (TI) is an American electronics company that designs and makes semiconductors, which it sells to electronics designers and manufacturers globally. Headquartered in Dallas, Texas, United States, TI is the third largest manufacturer of semiconductors worldwide after Intel and Samsung, the second largest supplier of chips for cellular handsets after Qualcomm, and the largest producer of digital signal processors (DSPs) and analog semiconductors, among a wide range of other semiconductor products, including calculators, microcontrollers and multi-core processors. Texas Instruments is among the Top 20 Semiconductor producing companies in the world.