Neyyattinkara is municipality in Thiruvananthapuram district in the Indian state of Kerala. The name Neyyattinkara in malayalam literally means the shore (kara) of Neyyar River. Neyyar River flows from Agasthyarkoodam , the highest peak (1868m above MSL) in southern end of the Western Ghats. The taluk has a total population of 858,991 with 88.6% classified as rural. Most of the urban population lies within the municipality area.

The municipality of Neyyattinkara is the major town on the banks of Neyyar River. Neyyattinkara lies 18 km to the south of Thiruvananthapuram city on the National Highway 47 to Kanyakumari. The rapidly growing Thiruvananthapuram city has almost reached its outskirts. Aruvippuram, the holy land of Sree Narayana Guru is an important pilgrim centre near Neyyattinkara. Neyyar Dam is another popular picnic spot near Neyyattinkara at Kallikkadu panchayath of Neyyattinkara Taluk. Neyyattinkara is the birth place of renowned revolutionaries like Swadeshabhimani Ramakrishna Pillai , VeeraRaghavan who fought for Indian independence and against the dictatorial rule of Travancore Diwans. The renowned martyr Veera Veluthampi Dalawa who fought against the British rule in India was born and brought up at Thalakkulam near Neyyattinkara. Neyyattinkara is the land of many upraisings against British rule in India. The brutal crack down by British military resulted in death of many freedom fighters including Veeraraghavan.

According to the legend it was here the Travancore king Marthanda Varma once hid inside the hollow trunk of a jack fruit tree to escape from his enemies during his war against the 'ettuveetil pillamar' (the eight nair chieftains). The jack tree popularly called 'Ammachiplavu' could still be seen preserved in the Shri Krishna Swamy Temple in the heart of the town. This temple was built by Marthanda Varma in the year 1755.

Neyyattinkara and the neighbouring areas has many cottage industries and handloom.

Agasthyarkoodam, the highest peak in southern kerala is located in Neyyattinkara taluk. It is a pilgrim spot and popular trekking place. The mountain got its name from sage Agasthyar who is considered one of the seven Rishis (Saptarishi) of Hindu mythology. A statue of Agasthyar stands on top of the peak where the devotees can render their prayers. The mountain forms a part of the Agasthyarkoodam biosphere reserve which is home to many endemic flora and fauna.