Martial Arts are those sport games derived from d ancient fighting traditions especially from countries like China India Japan Korea... Here the methods of fighting learned in the traditional art is only used... Any other moves being used is said to be a foul... Eg- sumo Wrestling, kung fu, karate, kalari(Indian)
Judo is a martial art, and is also a sport.
Ninjutsu, the martial art practised by ninja, is a sport.
It is an South Korean martial art/sport
It is a martial art, but is somewhat different, but Judo and its root art of Jujutsu are Japanese martial arts.
Judo
If you mean martial arts then yes. Though not Chinese, Judo and Tae Kwon Do are martial arts and Olympic Sports. Mixed Martial Arts is a popular sport that uses parts of different martial arts, and some Chinese arts can be incorporated into this at appropriate times.
True martial arts is not a sport. It is true that the majority of people that practice a martial art are male. However, there is a very large population of female martial artists.
A martial art called Sambo.
I'm not that certain but isn't fencing a combat sport
well in nowdays Chinese tend to be good in all sport but ages ago the sport they were most known for were martial arts and the martial art they are known for is kungfu.
Taekwondo
Empty hand is Karate, a Japanese martial art.