The surname Orrico may refer to:

• Carmine Orrico, original name of American actor John Saxon (born 1935)
• Corrado Orrico (born 1940), Italian football coach
• Jorge Orrico (born 1946), Uruguayan politician, actor and lawyer
• Miguel Orrico de los Llanos, Mexican politician, Governor of Tabasco (1955-1958)
• Nathalia Goyannes Dill Orrico (born 1986), Brazilian actress better known as Nathalia Dill
• Stacie Orrico (born 1986), American Christian singer and songwriter

• Walter HWK 109-509D
• Walter HWK 109-509S-2
• Walter HWK RII-211
• Walter Häfner
• Walter Häussermann
• Walter Höllerer
• Walter Hörning
• Walteria (genus)
• Walter Ian James Wallace
• Walter Ibanez
• Walter Ibarra
• Walter Ibáñez
• Walter I Grenier, Lord of Caesarea
• Walter II
• Walter II Grenier
• Walter III
• Walter III Grenier
• Walter III of Caesarea
• Walter II, Lord of Egmond
• Walter II of Caesarea
• Walter Industries, Inc.
• Walter Ingham
• Walter Ingleton
• Walter Innes
• Walter I of Caesarea