Oblique may refer to:

• an alternative name for the character usually called a slash (punctuation) ( / )
• Oblique angle, in geometry
• Oblique triangle, in geometry
• Oblique lattice, in geometry
• Oblique leaf base, a characteristic shape of the base of a leaf
• Oblique angle, a synonym for Dutch angle, a cinematographic technique
• Oblique (album), by jazz vibraphonist Bobby Hutcherson
• Oblique (film), a 2008 Norwegian film
• Oblique (Vasarely), a 1966 collage, by Victor Vasarely
• Oblique banded rattail, a fish also known as a rough-head whiptail
• Oblique case, in linguistics
• Oblique argument, in linguistics
• Oblique correction, in particle physics
• Oblique motion, in music
• Oblique order, a military formation
• Oblique projection, in geometry and drawing, including cavalier and cabinet projection
• Oblique reflection, in Euclidean geometry
• Oblique shock, in gas dynamics
• Oblique type, in typography
• Oblique wing, in aircraft design
• Oblique icebreaker, a special type of icegoing ship