'''K-group''' or '''K group''' may refer to:
* A group in algebraic K-theory * A group in topological K-theory * A complemented group * K-Groups (Germany), small Communist groups in 1970s Germany
{{dab}}
'''K-group''' or '''K group''' may refer to:
* A group in algebraic K-theory * A group in topological K-theory * A complemented group * K-Groups (Germany), small Communist groups in 1970s Germany
{{dab}}