A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.

The Unicode Standard encodes almost all standard characters used in mathematics.

a Unicode block comprising styled forms of Latin and Greek letters and decimal digits that enable mathematicians to denote different notions with different letter styles.

The following table lists many specialized symbols commonly used in modern mathematics, ordered by their introduction date.