Here is a list of latest Nokia Phones with WiFi connectivity. The list is arranged according to their date of official release (latest first)

Nokia C3 Touch and Type
The Nokia C3 Touch and Type is a candybar in form. It features 2.4-inch touch screen and standard 12 keys in its keyboard.
It supports the following WiFi standards: 802.11b, 802.11g, 902.11d, 802.11i, 802.11e, 802.11n
Nokia C6-01

This model runs on Symbian^3 OS. Its has 3.2 inch touch screen with virtual keypads. It supports 802.11 b/g/n for its Wireless LAN. It can also to 3G and Quad Band Networks.
Nokia C6-00

The C6-00 is candybar model model with slide-out qwerty keyboard. It features a 3.2 inch single touch screen. For its WiFi connectivity, it supports the 802.11 b/g standards.
This model also supports HSDPA and WCDMA.

Nokia C5-03
Nokia C5-03 Phone
This candybar smartphone runs on Symbian 9.4 Operating System. It has 3.2 inches touch screen with resolution at 640×360 pixels. For its Wireless LAN connection, it supports the 802.11 b/g standards.

Nokia C7-00
Nokia C7-00
The Nokia C7-00 runs on Symbian^3 OS. It is candybar in form and features 3.5inch touch screen with AMOLED technology for low-power consumption. It supports the Wi-Fi 802.11b/g/n standards.

Nokia E5-00
Nokia E5
The E5-00 is candybar in form and features full qwerty keyboard. It has 2.36 inches display, which is not a touch screen. For its WiFi, it has support to 802.11 b and 802.11 g.

Nokia N8
Nokia N8
The N8 is another Symbian^3 smartphone. This slim model is candybar in form and boasts a 12 Megapixel camera. It has 3.5 inch multi touch screen. It supports the 802.11 b, 802.11 g, 802.11 n for its Wifi.

Nokia X3 Touch and Type
Nokia X3 Touch and Type
The X3 Touch and Type is candybar in form and runs Series 40 OS. It has 2.4 inch resistive Touch display. Its Wireless LAN supports the 802.11b, 802.11g, 902.11d, 802.11i standards.