Walter Hauser (May 1, 1837 - October 22, 1902), Swiss politician.
He was elected to the Federal Council of Switzerland on December 13, 1888 and died in office on October 22, 1902. He was affiliated to the Free Democratic Party of Switzerland. During his office time he held the following departments:
- Department of Defence; Military Department (1889 - 1890)
- Department of Finance (1891 - 1899)
- Political Department (1900)
- Department of Finance (1901 - 1902)
Predecessor: Wilhelm Hertenstein
Successor: Ludwig Forrer