2 Answers

Shortcut: An ounce of meat or fish has approximately 7 grams of protein.
Beef

Hamburger patty, 4 oz – 28 grams protein
Steak, 6 oz – 42 grams
Most cuts of beef – 7 grams of protein per ounce
Chicken

Chicken breast, 3.5 oz - 30 grams protein
Chicken thigh – 10 grams (for average size)
Drumstick – 11 grams
Wing – 6 grams
Chicken meat, cooked, 4 oz – 35 grams
Fish

Most fish fillets or steaks are about 22 grams of protein for 3 ½ oz (100 grams) of cooked fish, or 6 grams per ounce
Tuna, 6 oz can - 40 grams of protein
Pork

Pork chop, average - 22 grams protein
Pork loin or tenderloin, 4 oz – 29 grams
Ham, 3 oz serving – 19 grams
Ground pork, 1 oz raw – 5 grams; 3 oz cooked – 22 grams
Bacon, 1 slice – 3 grams
Canadian-style bacon (back bacon), slice – 5 – 6 grams
Eggs and Dairy

Egg, large - 6 grams protein
Milk, 1 cup - 8 grams
Cottage cheese, ½ cup - 15 grams
Yogurt, 1 cup – usually 8-12 grams, check label
Soft cheeses (Mozzarella, Brie, Camembert) – 6 grams per oz
Medium cheeses (Cheddar, Swiss) – 7 or 8 grams per oz
Hard cheeses (Parmesan) – 10 grams per oz
Beans (including soy)

Tofu, ½ cup 20 grams protein
Tofu, 1 oz, 2.3 grams
Soy milk, 1 cup - 6 -10 grams
Most beans (black, pinto, lentils, etc) about 7-10 grams protein per half cup of cooked beans
Soy beans, ½ cup cooked – 14 grams protein
Split peas, ½ cup cooked – 8 grams
Nuts and Seeds

Peanut butter, 2 Tablespoons - 8 grams protein
Almonds, ¼ cup – 8 grams
Peanuts, ¼ cup – 9 grams
Cashews, ¼ cup – 5 grams
Pecans, ¼ cup – 2.5 grams
Sunflower seeds, ¼ cup – 6 grams
Pumpkin seeds, ¼ cup – 8 grams
Flax seeds – ¼ cup – 8 grams

http://lowcarbdiets.about.com/od/whattoeat/a/highproteinfood.htm 

Top 10 Foods Highest in Protein

https://www.healthaliciousness.com/articles/foods-highest-in-protein.php