Tyco

Tyco may refer to:


 * Tyco International, a diversified industrial conglomerate
 * TE Connectivity, formerly Tyco Electronics, a former segment of Tyco International
 * Tyco Solarlok, a type of electrical connector widely known as "the Tyco connector"
 * Tyco Toys, a division of Mattel
 * Tyco Federal Credit Union, a credit union for employees of Tyco International, TE Connectivity and Covidien
 * Ty Inc., maker of Beanie Babies