Cook the rotini pasta according to package instructions; drain and set aside.
In a skillet, brown the ground beef or turkey over medium heat until fully cooked.
Drain any excess fat from the meat.
Add the taco seasoning to the meat, following the package instructions.
In a large bowl, combine the cooked pasta, seasoned meat, cherry tomatoes, corn, red onion, cucumber, and cilantro.
Drizzle the ranch dressing over the salad and toss to combine.
Sprinkle shredded cheese on top and mix gently.
Let the salad chill in the refrigerator for at least 30 minutes for flavors to meld.
Serve in bowls, garnished with extra cilantro if desired.
Enjoy your Taco Pasta Salad with tortilla chips on the side!