William H. Block Co.
| Company type | Department store | 
|---|---|
| Industry | Retail | 
| Founded | 1874 in Indianapolis | 
| Founder | Herman Wilhelm Bloch | 
| Defunct | 1987 | 
| Fate | Merged into Lazarus | 
| Headquarters | Indianapolis, Indiana | 
Number of locations  | 10 (1987) | 
Area served  | Central Indiana | 
| Products | Men's, women's and children's clothing, footwear, jewelry, beauty products, home furnishings, bedding, china and silver, furniture, toys, books | 
| Parent | 
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The William H. Block Company was a department store chain in Indianapolis and other cities in Indiana. It was founded in 1874 by Herman Wilhelm Bloch, an immigrant from Austria-Hungary who had Americanized his name to William H. Block. The main store was located at 9 East Washington Street in Indianapolis in 1896. The company also identified itself as The Wm. H. Block Co., and Block's.