Wordmark or Logotype:
Logos that consist of text only, using distinctive typography to represent the brand name. Examples include Coca-Cola, Google, and Disney.
Lettermark:
Logos that consist of the initials or acronym of a brand, typically stylized to create a unique design. Examples include IBM, CNN, and HBO.
Symbol or Icon:
Logos that use a graphic symbol or icon to represent the brand without including the brand name. Examples include the Nike swoosh, Apple's bitten apple, and Twitter's bird symbol.
Combination Mark:
Logos that combine a wordmark or lettermark with a symbol or icon. This type of logo allows for both text and a visual element to represent the brand. Examples include Adidas, Burger King, and Amazon.
Emblem:
Logos where the brand name is enclosed within a symbol or icon, often resembling a badge or seal. Examples include Starbucks, Harley-Davidson, and BMW.
Abstract Mark:
Logos that use abstract shapes or forms to represent the brand, without directly depicting any specific object or concept. Examples include the Pepsi globe and the BP sunburst.
Mascot:
Logos that feature a character or mascot representing the brand. These logos are often used to convey a friendly or playful image. Examples include KFC's Colonel Sanders and Michelin's Michelin Man.
These are just some common categories, and many logos may combine elements from multiple types. The choice of logo type often depends on factors such as brand identity, target audience, and the message the brand wants to convey.