Some times, shop owner are want to hide product sku from customer and only admin or shop manager see that product sku. So if you want to hide sku from customer on WooCommerce Single Product page then you can do it easily to add below code snippet.
Please check blow code snippet…
PHP Snippet: Hide SKU at single product page
How to use code snippet: you can add this code as a snippet to your child theme functions.php file or you can use this( https://wordpress.org/plugins/code-snippets/ ) third-party plugin to add above code to your site.
After successfully add this code snippet to your site SKU will hide on the single product page for users. See below screenshots:
