| Wallace Warren Cross | |
| Birth Date: | 23 September 1887 |
| Death Place: | Edmonton, Alberta |
| Birth Place: | Barrie, Ontario |
| Office: | Member of the Legislative Assembly of Alberta |
| Constituency: | Hand Hills |
| Term Start: | 1935 |
| Term End: | 1959 |
| Predecessor: | Gordon Forster |
| Successor: | Clinton Keith French |
| Party: | Social Credit |
Wallace Warren Cross (September 23, 1887 – August 4, 1973) was a medical doctor and long-serving politician from Alberta, Canada.
Cross was elected in the 1935 Alberta general election for the Alberta Social Credit Party for the Hand Hills district. He served six terms in office, retiring from provincial politics in 1959.
Cross became minister of health under Premier William Aberhart. During his time as minister, he opened a series of cancer clinics across the province, and actively focused the Department of Health's resources on cancer treatment. He died in Edmonton in 1973.[1]
The Cross Cancer Institute, which opened in 1968, is named in his honour.