WooCommerce: Display Category Name
You're looking for single_term_title():
https://developer.wordpress.org/reference/functions/single_term_title/
Currently you can display product categories this way (Wordpress 4.x):
<?php echo wc_get_product_category_list($product->get_id()) ?>
Use the get_categories function to retrieve categories name :-
You can use this code to display product categories name -
<?php global $post, $product; $categ = $product->get_categories(); echo $categ; ?>