Conservatism may refer to:

• Conservatism in politics, its most usual meaning;
• Religious conservatism
• Conservative Judaism, a Jewish religious movement;
• Conservation, which in the environmentalist sphere is sometimes called conservatism.
• Conservative (Quakers), which refers to Wilburite Friends.

Conservative may also refer to:

• In mathematics, a conservative vector field is a vector field which doesn't rotate.
• In politics, a member of a conservative political party.