Rinse and drain the chickpeas thoroughly.
Dice the avocado, cucumber, and halve the cherry tomatoes.
Finely chop the red onion.
In a large bowl, combine the chickpeas, avocado, cucumber, cherry tomatoes, and red onion.
In a small bowl, whisk together the Greek yogurt and fresh lemon juice until smooth.
Pour the dressing over the salad and gently toss until everything is evenly coated.
Serve immediately or refrigerate for 15–20 minutes to let the flavors meld before serving.