Other
- 134244 De Young, a main-belt asteroid
- DeYoung, former name of Calumet Park, a village in Illinois, US
- DeYoung Family Zoo, a zoological park in Wallace, Michigan, US
- M. H. de Young Memorial Museum, a fine art museum in Golden Gate Park, San Francisco, California, US
- Park de Young, former name of Mosaic Stadium at Taylor Field, a sports stadium in Regina, Saskatchewan, Canada
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