Japanese Imperial Year 2590 (1930) or Gregorian year 1990, Type 90 may refer to:

Japanese (式)

Ground Vehicles

Rank VII

• Type 90
• Type 90 (B)
• Type 90B "Fuji"

Armaments

Tank cannons

• Type 90 (57 mm)
• Type 90 (75 mm)
• Type 90 L/44 (120 mm)

Torpedoes

• Type 90 (610 mm)

Chinese (式)

Armaments

Rockets

• Type 90-1 - Note: The name "Type 90" refers to the caliber of the rockets (90 mm) not the year of production.