Typhoon Haitang, known in the Philippines as Super Typhoon Feria, was the first super typhoon of the 2005 season in the northwestern Pacific. It had winds up to 260 km/h (160 mph) at peak intensity, and caused over 18 serious injuries and 15 confirmed deaths in Taiwan and the People's Republic of China. Damage totaled about $1.17 billion (2005 USD), most of which occurred in mainland China.

The 2005 Pacific typhoon season was the least active typhoon season since 2000, producing 23 named storms, of which 13 became typhoons. It was an event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the western Pacific Ocean. The season ran throughout 2005, though most tropical cyclones typically develop between May and October. The season's first named storm, Kulap, developed on January 13, while the season's last named storm, Bolaven, dissipated on November 20. The season's first typhoon, Haitang, reached typhoon status on July 13, and became the first super typhoon of the year three days later.