Vatti may refer to:

• Vatti, Chinese kitchen appliances manufacturer
• Vätti, a district of the city of Turku, in Finland.
• Vatti clipping algorithm, a computer graphics algorithm used in clipping arbitrary polygons

• Kathleen Walcher
• Kathleen Weaver
• Kathleen Webb
• Kathleen Weil
• Kathleen Wendy Herald Peyton
• Kathleen, Western Australia
• Kathleen Whyte
• Kathleen Widdowes
• Kathleen Wilber
• Kathleen Wilcoxson
• Kathleen Williams
• Kathleen Winter
• Kathleen Woodiwiss
• Kathleen Worth
• Kathleen Zellner
• Kathleen Zelman
• Kathlendaruc
• Kathlendaruc, California
• Kathlene Contres
• Kathlyn Kelley
• Kathmae Siding, Ontario
• Kath Malmberg
• Kathmandu (disambiguation)
• Kathmandu Engineering College
• Kathmandu International Mountain Film Festival