Kottayam may refer to:

• Kottayam District
• Kottayam city, Kottayam District, Kerala
• Kottayam (Malabar), Malabar District, Kerala
• Kottayam Taluk, Madras Presidency
• Kottayam Town, Madras Presidency

• Tsutomuko Mitsudome
• Tsutomu Matsuda
• Tsutomu Matsuda (disambiguation)
• Tsutomu Matsuda (rugby player)
• Tsutomu Miyasaka
• Tsutomu Miyazaki (EP)
• Tsutomu Ogura
• Tsutomu Satoh
• Tsutomu Sato (ophthalmologist)
• Tsutomu Satou
• Tsutomu Satō
• Tsutomu Sekine
• Tsutomu Tanaka
• Tsutskarev
• Tsutskiridze
• Tsutsube
• Tsutsugamuchi disease
• Tsutsui, Aomori
• Tsutsui, William
• Tsutsujigasaki Castle
• Tsutsumi Fusaki
• Tsutsumi plant
• Tsutswecw Provincial Park
• Tsutsyliv
• TSU/UH Athletics District (METRORail station)