Hi @CherylA, While I'm not certain that there is an option to disable wifi, I believe you could Enforce Wifi Whitelisting which allows devices only to connect to networks that are setup within a configuration profile. Then setup bogus SSID credentials (something random enough that it shouldn't be used). Keep in mind that this is a restriction for Supervised iOS devices on 10.3 and above. This would be setup under Systems Manager > Settings > Restrictions > iOS Restrictions (supervised)
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