Wald is a German surname meaning "forest". Notable people with the surname include:

Wald Criteria for Jointly Testing Equality and Inequality Restrictions
Final version of 2009 AJCC melanoma staging and classification.
Rapid determination of free proline for water-stress studies
n. j wald - Use of blood pressure lowering drugs ...
Nanoengineering of Inorganic and Hybrid Hollow Spheres by Colloidal Templating
Prognostic Factors Analysis of 17,600 Melanoma Patients: Validation of the American Joint Committee on Cancer Melanoma Staging System
Homocysteine and cardiovascular disease: evidence on causality from a meta-analysis.
Sunitinib versus interferon alfa in metastatic renal-cell carcinoma: Commentary
Genital HIV-1 RNA Predicts Risk of Heterosexual HIV-1 Transmission
Human chemokines: an update.