| Litigants: | United States v. Phellis |
| Arguedate: | October 11 |
| Argueyear: | 1921 |
| Decidedate: | November 21 |
| Decideyear: | 1921 |
| Fullname: | United States v. C. W. Phellis |
| Usvol: | 257 |
| Uspage: | 156 |
| Parallelcitations: | 42 S.Ct. 63; 66 L. Ed. 180; 1921 U.S. LEXIS 1328 |
| Holding: | Shares in a subsidiary corporation issued to stockholders in the parent corporation are taxable as income. |
| Majority: | Pitney |
| Joinmajority: | Taft, McKenna, Holmes, Day, Brandeis, Clarke |
| Dissent: | McReynolds |
| Joindissent: | Van Devanter |
United States v. Phellis, 257 U.S. 156 (1921), was a decision by the United States Supreme Court, which held that shares in a subsidiary corporation issued to stockholders in the parent corporation were taxable as income.