| Box Width: | 25em |
| 4th Philippine Legislature | |
| Term Start: | October 16, 1916 |
| Term End: | March 8, 1919 |
| Before: | 3rd |
| After: | 5th |
| Chamber1 Leader1 Type: | Governor-General |
| Chamber1 Leader1: | Francis Burton Harrison |
| Chamber2: | Senate |
| Membership2: | 24 |
| Chamber2 Leader1 Type: | President |
| Chamber2 Leader1: | Manuel L. Quezon |
| Chamber2 Leader2 Type: | Majority leader |
| Chamber2 Leader2: | Francisco Felipe Villanueva |
| Chamber3: | House of Representatives |
| Membership3: | 90 |
| Chamber3 Leader1 Type: | Speaker |
| Chamber3 Leader1: | Sergio Osmeña |
| Chamber3 Leader2 Type: | Majority leader |
| Chamber3 Leader2: | Rafael Alunan |
The 4th Philippine Legislature was the meeting of the legislature of the Philippine Islands under the sovereign control of the United States from October 16, 1916, to March 8, 1919.
The Fourth Philippine Legislature passed a total of 204 laws (Act Nos. 2665 – 2868).[1]
All elected senators of this Legislature were elected on October 3, 1916 for the following terms, according to their ranking in their senatorial districts:
Senators of the 12th District were appointed for indefinite terms.