Copy the names then run it, it will output to your clipboard, names should be separated by commas

shuffle_names.go

package main

import (
	"math/rand"
	"strings"

	"github.com/atotto/clipboard"
)

func main() {
	input, _ := clipboard.ReadAll()

	list := strings.Split(input, ",")

	rand.Shuffle(len(list), func(i, j int) { list[i], list[j] = list[j], list[i] })

	_ = clipboard.WriteAll(strings.Join(list, "\n"))
}