Indo-Pacific king mackerel (Scomberomorus guttatus), also known as the spotted seer fish or spotted Spanish mackerel, is a sea fish among the mackerel variety of fishes. It is found in around the Indian Ocean and adjoining seas. It is a popular game fish, growing up to 45 kg (99 lb), and is a strong fighter that has on occasion been seen to leap out of the water when hooked.

It is popular among the countries of the Indian subcontinent including peninsular India, Sri Lanka, Bangladesh, and Pakistan.

Seer fish is a delicacy in several regions of India. In Tamil Nadu and Andhra Pradesh, this fish is called Vanjaram in Tamil and Telugu as well as Shermai among the Deccanis of Telangana and is usually the costliest variety available. In the Konkan Division of coastal Maharashtra, the Marathi word for the fish is Surmāi, while in Goan Konkani it is called Visvonn or Isvonn. In coastal Karnataka, especially in the erstwhile South Canara district, they are called Anjal. In Kerala, in the region of North Malabar it is called Ayakoora whereas in southern districts of the state, it is called Ney-meen. They can be broiled, fried, and also made as curry. In addition to being cooked and eaten when fresh, it is also used to make fish pickle, usually eaten as a condiment with rice.