# 137 Locked Peak · 2,000–2,999 m · Isfahan 2886 m Kabha Chalzona کبها چلزنا

# 97 Locked Protected area · Ilam Kabir Kuh Protected Area منطقه حفاظت شده کبیرکوه

# 31 Locked Island or coast · East Azerbaijan Kabudan Island جزیره کبودان

# 32 Locked Island or coast · East Azerbaijan Kachal Dash کچل داش

# 15 Locked Cave · Mazandaran Kafir Keli cave dwellings دخمه سنگی کافر کلی

# 98 Locked Protected area · East Azerbaijan Kaghazkonan Protected Area منطقه حفاظت شده کاغذکنان

# 16 Locked Cave · Isfahan Kahangan Cave غار کهنگان

# 187 Locked Peak · 4,000–4,999 m · Alborz 4014 m Kahar کهار

# 499 Locked Peak · 3,000–3,999 m · Golestan 3560 m Kahkeshan کهکشان

# 108 Locked River · Lorestan Kahman River رود کهمان

# 109 Locked River · Sistan and Baluchestan Kahnoto River رودخانه کهنوتو

# 140 Locked Peak · 4,000–4,999 m · Mazandaran 4075 m Kahoon کهون

# 101 Locked Spring · East Azerbaijan Kahrouz Spring چشمه کهروز

# 124 Locked Peak · 4,000–4,999 m · Mazandaran 4118 m Kahu کهو

# 110 Locked River · Sistan and Baluchestan Kair River رودخانه کهیر

# 111 Locked River · Sistan and Baluchestan Kajoo کاجو

# 102 Locked Spring · West Azerbaijan Kaka kawa Home

# 311 Locked Peak · 3,000–3,999 m · Ardabil 3833 m Kakili Ghaya ککیلی قیه

# 129 Locked Peak · 4,000–4,999 m · Isfahan 4110 m Kal Asadkhani کل اسدخانی

# 177 Locked Peak · 4,000–4,999 m · Tehran 4033 m Kal Khosoun کل خوسون

# 112 Locked River · Razavi Khorasan Kal-e Galeh Cheshmeh کال گله چشمه

# 113 Locked River · Razavi Khorasan Kal-e Qezelyar کال قزل یار

# 114 Locked River · Razavi Khorasan Kal-e Shourak کال شورک

# 29 Locked Peak · 2,000–2,999 m · South Khorasan 2450 m Kalat کلات

# 134 Locked Waterfall · Bushehr Kalat Waterfall تنگه و آبشار کلات

# 237 Locked Peak · 3,000–3,999 m · Isfahan 3934 m Kale Barf Kaghazi کل برف کاغذی

# 62 Locked Peak · 4,000–4,999 m · Isfahan 4268 m Kale Bolbol کل بلبل

# 119 Locked Peak · 4,000–4,999 m · Isfahan 4125 m Kale O Arzani کل او ارزنی

# 163 Locked Peak · 4,000–4,999 m · Isfahan 4059 m Kale O Espid کل او اسپید

# 56 Locked Peak · 4,000–4,999 m · Kohgiluyeh and Boyer-Ahmad 4301 m Kale Qodveis کل قدویس

# 115 Locked River · East Azerbaijan Kaleybar River کلیبر چایی

# 53 Locked Peak · 2,000–2,999 m · Isfahan 2420 m Kalleh Sar خاله سر

# 99 Locked Protected area · Yazd Kalmand Protected Area منطقه حفاظت شده کالمند

# 87 Locked Peak · 2,000–2,999 m · Tehran 2933 m Kalougan کلوگان

# 116 Locked River · East Azerbaijan Kalqan کلقان چای

# 26 Locked Geological formation · Kerman Kalut (Yardang)

# 141 Locked Peak · 4,000–4,999 m · Mazandaran 4075 m Kalvan کلوان

# 103 Locked Spring · Kermanshah Kalvasar کلوسر

# 191 Locked Lake · Dam or reservoir · Markazi Kamaal Saaleh Dam دریاچه سد کمال صالح

# 395 Locked Peak · 3,000–3,999 m · East Azerbaijan 3707 m Kamal کمال

# 75 Locked Peak · 4,000–4,999 m · Tehran 4233 m Kaman Kuh کمان کوه

# 117 Locked River · Lorestan Kamandan کمندان

# 97 Locked Peak · 4,000–4,999 m · Isfahan 4185 m Kamar Ghebleh کمرقبله

# 432 Locked Peak · 2,000–2,999 m · Kerman 2626 m Kamar-e Bandābi کمر بندآبی

# 246 Locked Peak · 2,000–2,999 m · Ilam 2807 m Kan Seyfi کان صیفی

# 201 Locked Peak · 3,000–3,999 m · Mazandaran 3998 m Kandikan کندیکان

# 104 Locked Spring · Kurdistan Kani Mshkola

# 105 Locked Spring · Kurdistan Kani Shafa کانی شفا

# 100 Locked Protected area · East Azerbaijan Kantal National Park پارک ملی کنتال

# 81 Locked Peak · 4,000–4,999 m · Isfahan 4223 m Kapiri کپیری

# 227 Locked Peak · 2,000–2,999 m · East Azerbaijan 2140 m Kapiz کپیز

# 17 Locked Cave · Kurdistan Karaftu غار کرفتو

# 118 Locked River · Tehran Karaj River رودخانه کرج

# 221 Locked Lake · Pond or pool · Hamadan Karak Pond ایسل کرک

# 106 Locked Spring · Chaharmahal and Bakhtiari Karbasi چشمه کرباسی

# 356 Locked Peak · 3,000–3,999 m · Alborz 3755 m Karchan کرچان

# 119 Locked River · Razavi Khorasan Kardeh کارده

# 33 Locked Island or coast · West Azerbaijan Kariveh Island جزیره کریوه

# 107 Locked Spring · Qazvin Kariz کریز

# 271 Locked Peak · 3,000–3,999 m · Isfahan 3885 m Karkas کرکس